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substantiate

verb

sub·​stan·​ti·​ate səb-ˈstan(t)-shē-ˌāt How to pronounce substantiate (audio)
substantiated; substantiating

transitive verb

1
: to give substance or form to : embody
2
: to establish by proof or competent evidence : verify
substantiate a charge
substantiation noun
substantiative adjective
Choose the Right Synonym for substantiate

confirm, corroborate, substantiate, verify, authenticate, validate mean to attest to the truth or validity of something.

confirm implies the removing of doubts by an authoritative statement or indisputable fact.

confirmed the reports

corroborate suggests the strengthening of what is already partly established.

witnesses corroborated his story

substantiate implies the offering of evidence that sustains the contention.

the claims have yet to be substantiated

verify implies the establishing of correspondence of actual facts or details with those proposed or guessed at.

all statements of fact in the article have been verified

authenticate implies establishing genuineness by adducing legal or official documents or expert opinion.

handwriting experts authenticated the diaries

validate implies establishing validity by authoritative affirmation or by factual proof.

validated the hypothesis by experiments

Example Sentences

substantiated his claim to local mountaineering fame with a photo of himself on the summit of Mount McKinley Mr. MacGregor couldn't substantiate that it was Peter, and not some other rabbit, in the cabbage patch.
Recent Examples on the Web Officials didn't find something to substantiate the allegations, the Sheriff's Office said in a news release. Angela Cordoba Perez, The Arizona Republic, 1 Sep. 2022 There is no evidence to substantiate any of the fraud claims involving Smartmatic or Dominion, whose machines are used in 28 states and controls about 30% of the U.S. market for voting machines, according to data cited by ProPublica in 2019. Alison Durkee, Forbes, 21 June 2022 But again, there’s no evidence to substantiate such claims. Los Angeles Times, 21 May 2022 However, federal investigators found that several of the motorcyclists and passengers were under the influence of alcohol but did not substantiate the cause of the crash. Fox News, 26 July 2022 This was never anything more than a troubled individual making false allegations with absolutely nothing to substantiate them. J. Kim Murphy, Variety, 21 July 2022 This was never anything more than a troubled individual making false allegations with absolutely nothing to substantiate them. Justine Browning, EW.com, 21 July 2022 The defense hasn’t directly challenged the FBI’s finding that the research didn’t substantiate the allegation of a Trump-Russia link. Aruna Viswanatha, WSJ, 25 May 2022 And the committee has provided reams of evidence to substantiate the allegations that Trump staged a multi-pronged effort to overturn the 2020 election. Dean Obeidallah, CNN, 27 June 2022 See More

Word History

First Known Use

1610, in the meaning defined at sense 1

Time Traveler
The first known use of substantiate was in 1610

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