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
She verified her flight number. He verified that the item was in stock. Can you verify whether I am scheduled to work or not?
Recent Examples on the WebOfficials also must verify the signature on absentee ballot return envelopes before those votes are counted.Detroit Free Press, 16 Sep. 2022 For the most accurate and up-to-date information, verify the requirements with each respective country's website or click here to visit the site Sherpa. Christopher Elliott, USA TODAY, 16 Sep. 2022 For any pre-lit trees, verify that the tree is appropriately UL listed for safety. Dan Diclerico, Good Housekeeping, 15 Sep. 2022 Since the dates and times for these annual festivals can vary per year, please verify the dates before traveling. Anna Mazurek, Chron, 12 Sep. 2022 NBC News could not independently verify the claims of either side. Hyder Abbasi, NBC News, 11 Sep. 2022 Safety marshals verify that the requirements are met and keep everyone safe. Kelly Wilkinson, The Indianapolis Star, 8 Sep. 2022 The Washington Post could not independently verify the claims. Sammy Westfall, Washington Post, 7 Sep. 2022 Journalists could not independently verify those claims.Arkansas Online, 29 Aug. 2022 See More
Word History
Etymology
Middle English verifien, borrowed from Anglo-French verifier, borrowed from Medieval Latin vērificāre, from Latin vērus "true" + -ficāre-fy — more at very entry 2