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- Recognition 147
- rampart 81
- issuing 5
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- Reader 66
- intensity 321
- chromatics 3
- Advent 129
- pers 4
- scoop 61
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- full 238
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- pathological 128
- Bat 9
- spots 1
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- solidify 102
- make a difference 54
- bioethics 5
- hear 110
- acetate 34
- bk 6
- bed linen 25
- Decorate 110
- mudflat 3
- Temple 6
- microprocessor 2
- loftiest 4
- influence 398
- come forward 54
- interventionism 4
- herbier 4
- olfactory 1
- muffle 34
- Candidly 10
- precipitate 121
- orangery 5
- Subtle 47
- appetizer 843
- organized 148
- conjecture 52
- excellent 461
- lapping 3
- azerbaijani 32
- clever 299
- designate 193
- Artistry 74
- haircutter 22
- galvanized 45
- diameter 326
- Makeup 60
- kr 4
- grove 65
- remnant 313
- Personnel 123
- parsonage 5
- intuitive 97
- Diploma 47
- messier 4
- pigheaded 4
- foster 133
- divergingly 3
- mainstream 196
- peripatetic 3
- monologuist 2
- ollie 1
- phototropic 2
- donkey 302
- seeking 33
- blare 118
- Circle 70
- recurrence 21
- Illegal 128
- ambient 40
- mikado 5
- astigmatism 47
- austerity 87
- obit 4
- overzealousness 2
- pack 289
- oaken 3
- elicit 41
- acclimatation 2
- parapet 4
- drapery 42
- azalea 46
- ladleful 3
- archduchess 5
- concision 35
- wash 143
- mysophobia 52
- cotton 447
- branny 8
- entrée 32
- homemaker 12
- tail off 58
- showcase 88
- pigsty 3
- stuff 338
- flat-footed 33
- proximity 57
- merrymaking 3
- alexandrine 3
- beeves 2
- perturbative 5
- bramble 52
- amongst 214
- phosphorus 51
- bookcase 48
- Syndrome 45
- soggy 26
- astronomical 103
- kiwifruit 2
- come through 58
- pashto 3
- overreacher 3
- national 290
- Exhausted 101
- helix 3
- Intricate 16
- Caliphate 54
- stubborn 115
- keester 4
- underway 148
- maestro 3
- CONTEMPLATE 63
- basis point 40
- mussy 2
- ify 5
- Prevalent 106
- conference 320
- Benefit 166
- best seller 35
- breather 60
- radio 115
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- greatcoat 41
- main 301
- before 74
- satisfy 285
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- nagana 4
- holy 281
- shuffle 161
- garment 206
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- intellectuals 3
- tireless 137
- nonsense 306
- paganize 4
- photocall 5
- bar 290
- authentic 143
- golden handshake 27
- Public 119
- pastries 1
- Active 153
- Flush 122
- gemmy 27
- harrowing 45
- chit 45
- dictionary 203
- evil 284
- oceanaria 3
- market 145
- proceed 364
- Ingenuity 95
- pellucid 2
- backcomb 23
- insolubilize 4
- eds 33
- mariner 4
- nashville 2
- paralytic 4
- raid 340
- pigmies 2
- lazybones 4
- futile 88
- Gradually 49
- subway 342
- symbiosis 73
- style 367
- flare-up 50
- prophetic 164
- cow 358
- Accident 151
- manning 2
- amorality 86
- discharge 308
- envelop 63
- nigeria 3
- obstinateness 4
- hunting 140
- microfiche 2
- local 314
- gun down 35
- Adjourn 126
- Barbour 25
- curio 118
- blame 363
- bereft 128
- minivan 99
- onward 71
- hg 4
- perfumery 6
- aus 2
- adjective 319
- lowly 52
- orthopedist 48
- namecheck 3
- Custody 68
- windshield 132
- memoranda 2
- Animals 13
- cardigan 54
- fly 146
- devil 299
- paraplegia 4
- circumflex 91
- magnanimity 3
- battleground 42
- seething 46
- iban 3
- nonetheless 122
- bristol 4
- bounce 447
- emaciated 56
- irony 137
- dingy 55
- website 153
- Translate 182
- Arraign 83
- monolingual 3
- blouse 57
- Sullen 73
- Depot 30
- patron 114
- Chain 169
- branded 107
- detach 123
- ashley 4
- fruitful 359
- companionship 52
- dekko 1
- pronunciation 364
- goidelic 3
- Sexual 45
- copulate 52
- bulblet 7
- breast 312
- harvest 372
- electoral 49
- oviparous 4
- frankincense 47
- dismal 156
- infight 3
- paradise 344
- escapologist 32
- doctrinaire 47
- deluge 118
- traitor 330
- burr 135
- significant 392
- ongoingness 3
- ourselves 137
- armful 49
- indecencies 5
- hepatic 1
- mitre 3
- announce 416
- nestle 133
- cover charge 29
- parameter 94
- phallically 4
- civil defence 57
- muddle along 23
- additionally 123
- Adventurer 93
- truck 355
- paint 361
- Story 55
- almondy 4
- anonymous 145
- genus 69
- balancer 40
- nervous 289
- kickoff 51
- Pay 147
- physicianship 2
- france 50
- skilled 376
- awareness 98
- Embark 177
- shampoo 350
- chronology 125
- petrodollar 4
- lipase 1
- jollies 2
- peasant 255
- fly-fishing 27
- disk jockey 24
- coper 6
- pull back 28
- middleweight 3
- breathe 322
- micrometer 2
- roadside 123
- Jeopardy 40
- pathfinder 4
- Impressed 38
- reassuring 176
- philanderer 4
- Unlicensed 89
- nonpayment 4
- describe 328
- Apron 69
- dal 40
- Clue 125
- phonographic 3
- Both 48
- heh 2
- associated 38
- coarse 324
- supreme 361
- cital 5
- Breadth 111
- dirt 316
- gaffe 48
- daunt 50
- pride 317
- flunk 87
- publisher 119
- Discipline 125
- dishearten 121
- ragwort 15
- ordinaries 3
- Grin 57
- ache 267
- mislead 334
- aviary 53
- Distinctive 133
- disabled 189
- kannada 1
- new 152
- montane 3
- reedy 42
- foreskin 44
- when 155
- new year 36
- devout 140
- summon 172
- Substantially 61
- morale 121
- aural 246
- reversed 19
- unremarkable 96
- employment 331
- agree 149
- jape 3
- poem 284
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- pickled 4
- personnel 315
- hogg 1
- faunae 3
- collection 390
- masteries 4
- nutritious 117
- court-martial 52
- Moral 174
- Say 239
- oratorial 2
- pick on 38
- leek 125
- flats 23
- tutorial 156
- bushwhack 7
- malagasy 4
- enlist 135
- AC 2
- gussies 22
- amused 140
- garrote 50
- hoick 1
- destructive 294
- Shore 132
- unhelpful 80
- psyche 18
- promiscuous 152
- overuse 6
- owing 264
- utensil 113
- claimer 2
- ecuadoran 5
- Receive 129
- curious 301
- tarry 129
- provide for 24
- convenience 344
- Immersive 82
- Pure 75
- Envision 29
- fussed 29
- jam 298
- guinevere 3
- appearance 385
- solar 301
- zodiac 46
- back off 40
- malaysian 4
- permitted 3
- diseaseful 4
- permanence 115
- heavenwards 5
- ohio 1
- bialy 4
- mesa 49
- flood 333
- colonialism 52
- overgeneralise 3
- examination 303
- construct 316
- bellies 28
- incumber 6
- similar 196
- photocopied 3
- Educated 41
- officialize 4
- fleck 50
- vigor 48
- ovum 5
- omicron 6
- fountainhead 59
- serendipitous 99
- delegation 284
- monocultural 3
- Expenditure 138
- tongue 360
- citronella 50
- federator 3
- entrap 67
- mishmash 47
- knoxville 2
- bottom 388
- visionary 89
- detention 60
- induction 96
- minion 81
- Curly 142
- bushy 55
- vibe 162
- disintegrate 106
- at a Time 25
- Excel 114
- bump off 41
- pain 400
- briskness 57
- flagged 25
- physiotherapist 4
- mullioned 2
- sycamore 3
- luvvie 4
- hgv 3
- philip 4
- Friendliness 4
- pawnee 2
- tiger 315
- hairy 62
- injun 3
- dissembling 27
- Month 111
- Monarch 151
- moira 2
- acrylic 89
- flutter 265
- narrowband 4
- salute 291
- crime 346
- orbless 2
- crackers 194
- launch 341
- progressions 7
- formula 326
- gold medal 52
- slip 374
- first-rate 40
- crew 333
- omit 304
ascertain
1 ENTRIES FOUND:
ascertains; ascertained; ascertaining
ascertains; ascertained; ascertaining
Learner's definition of ASCERTAIN
[+ object] formal
: to learn or find out (something, such as information or the truth)查明；弄清
- They were unable to ascertain [=(more commonly) determine] the cause of the fire.他们无法确定火灾原因。
- The police are now attempting to ascertain his whereabouts. [=to find out where he is]警方目前正努力追查他的下落。
- Her doctors have been unable to ascertain [=find out] why she is ill. = Her doctors have been unable to ascertain the cause of her illness.她的医生至今无法确定她的病因。
- The information can be ascertained by anyone with a computer.任何人用一台电脑都能够确认这则信息。
Synonyms
Example Sentences
We look at digital media—images, audio and video—and we try to ascertain whether or not they've been manipulated. We use mathematical and computational techniques to detect alterations in them. 
Claudia Dreifus, New York Times, 2 Oct. 2007 Currently, an official trying to ascertain road damage in the aftermath of an earthquake might have to keep one eye on the TV news while listening to both radio traffic reports and the police scanner. Since most of these data are available in digital form, the software could take them all in, process them and present a report outlining the best evacuation routes. Kevin Hogan, Technology Review, April 2002 With an equation linking the money wage to prices, the degree of inflation could be ascertained. Sidney Weintraub, Modern Economic Thought, (1977) 1993
Claudia Dreifus, New York Times, 2 Oct. 2007 Currently, an official trying to ascertain road damage in the aftermath of an earthquake might have to keep one eye on the TV news while listening to both radio traffic reports and the police scanner. Since most of these data are available in digital form, the software could take them all in, process them and present a report outlining the best evacuation routes. Kevin Hogan, Technology Review, April 2002 With an equation linking the money wage to prices, the degree of inflation could be ascertained. Sidney Weintraub, Modern Economic Thought, (1977) 1993 Recent Examples on the Web The stamp was part of an effort to create an international color-coding system that would allow postal workers in countries using different languages and currencies to ascertain that proper postage had been applied to each piece of mail. Chris Klimek, Smithsonian Magazine, 6 Sep. 2022 Ed O’Carroll said department officials still don’t know why the detectives accused Van Winkle of fabricating the assault, but said aggressive questioning was a tactic sometimes used at the time to try to ascertain if a victim was making up a story. Justin Jouvenal, Washington Post, 2 Aug. 2022 Officials have long pointed to at-home testing as a pivotal prong in the nation’s coronavirus response — allowing residents to ascertain and monitor their status and take appropriate precautions to avoid infecting others. Los Angeles Times, 25 Aug. 2022 Russell is one of more than a dozen Alabama residents charged in connection with Capitol breach during a joint session of Congress which had convened to ascertain and count the electoral votes related to the presidential election. Carol Robinson | Crobinson@al.com, al, 24 Aug. 2022 Scientists use multiple ways to ascertain Earth’s spinning speed, including evidence from shells. Manasee Wagh, Popular Mechanics, 16 Aug. 2022 In addition to utilizing a rubric or scorecard to ensure objectivity during the hiring process, candidates should be asked a series of questions to better ascertain their interest and commitment to racial equity. Janice Gassam Asare, Forbes, 11 Aug. 2022 Beijing’s censors never explain nor comment publicly on their decisions, but industry participants inside and outside of China scrutinize such moves carefully and backchannel with authorities to ascertain where the lines are drawn. Patrick Brzeski, The Hollywood Reporter, 10 July 2022 To ascertain whether hermit crabs experience pain, a pair of researchers at Queen’s University Belfast prodded them with electric shocks, and to figure out the same thing for squid a biologist at San Francisco State sliced them with scalpels. Elizabeth Kolbert, The New Yorker, 6 June 2022 See More
Chris Klimek, Smithsonian Magazine, 6 Sep. 2022 Ed O’Carroll said department officials still don’t know why the detectives accused Van Winkle of fabricating the assault, but said aggressive questioning was a tactic sometimes used at the time to try to ascertain if a victim was making up a story. Justin Jouvenal, Washington Post, 2 Aug. 2022 Officials have long pointed to at-home testing as a pivotal prong in the nation’s coronavirus response — allowing residents to ascertain and monitor their status and take appropriate precautions to avoid infecting others. Los Angeles Times, 25 Aug. 2022 Russell is one of more than a dozen Alabama residents charged in connection with Capitol breach during a joint session of Congress which had convened to ascertain and count the electoral votes related to the presidential election. Carol Robinson | Crobinson@al.com, al, 24 Aug. 2022 Scientists use multiple ways to ascertain Earth’s spinning speed, including evidence from shells. Manasee Wagh, Popular Mechanics, 16 Aug. 2022 In addition to utilizing a rubric or scorecard to ensure objectivity during the hiring process, candidates should be asked a series of questions to better ascertain their interest and commitment to racial equity. Janice Gassam Asare, Forbes, 11 Aug. 2022 Beijing’s censors never explain nor comment publicly on their decisions, but industry participants inside and outside of China scrutinize such moves carefully and backchannel with authorities to ascertain where the lines are drawn. Patrick Brzeski, The Hollywood Reporter, 10 July 2022 To ascertain whether hermit crabs experience pain, a pair of researchers at Queen’s University Belfast prodded them with electric shocks, and to figure out the same thing for squid a biologist at San Francisco State sliced them with scalpels. Elizabeth Kolbert, The New Yorker, 6 June 2022 See More Word History
Etymology
Middle English acertainen to inform, give assurance to, from Anglo-French acerteiner, from a- (from Latin ad-) + certein, certain certain
First Known Use
15th century, in the meaning defined at sense 2
Time Traveler
The first known use of ascertain was in the 15th century 👨🏻🏫 Mr. Ng 韋氏詞典 📚 – mw.mister5️⃣.net
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