Synonyms of verify

verify

verb

ˈver-ə-ˌfī 

as in to confirm

to give evidence or testimony to the truth or factualness of

the dispatcher was able to verify the caller's location

Synonyms & Similar Words

• confirm
• argue
• support
• validate
• corroborate
• prove
• certify
• authenticate
• attest
• vindicate
• bear out
• demonstrate
• substantiate
• witness
• affirm
• establish
• testify (to)
• reinforce
• guarantee
• assert
• document
• declare
• vouch (for)
• back (up)
• warrant
• aver
• profess
• avouch
• avow

Antonyms & Near Antonyms

• refute
• disprove
• rebut
• deny
• contradict
• question
• challenge
• gainsay
• dispute
• contest
• disclaim
• disavow

Synonym Chooser

How does the verb verify contrast with its synonyms?

Some common synonyms of verify are authenticate, confirm, corroborate, substantiate, and validate. While all these words mean "to attest to the truth or validity of something," 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

When is it sensible to use authenticate instead of verify?

The meanings of authenticate and verify largely overlap; however, authenticate implies establishing genuineness by adducing legal or official documents or expert opinion.

handwriting experts authenticated the diaries

When could confirm be used to replace verify?

While the synonyms confirm and verify are close in meaning, confirm implies the removing of doubts by an authoritative statement or indisputable fact.

confirmed the reports

Where would corroborate be a reasonable alternative to verify?

Although the words corroborate and verify have much in common, corroborate suggests the strengthening of what is already partly established.

witnesses corroborated his story

When might substantiate be a better fit than verify?

The synonyms substantiate and verify are sometimes interchangeable, but substantiate implies the offering of evidence that sustains the contention.

the claims have yet to be substantiated

In what contexts can validate take the place of verify?

The words validate and verify can be used in similar contexts, but validate implies establishing validity by authoritative affirmation or by factual proof.

validated the hypothesis by experiments

Example Sentences

Recent Examples of verify

Critics say that encourages people with inside information to take a chance, though experts note that Polymarket should know who such people are from when the accounts and payments were verified. —CBS News, 27 Apr. 2026

The results need to be verified by a larger, randomized trial, says Hyagriv Simhan, a professor of obstetrics, gynecology and reproductive sciences at the University of Pittsburgh School of Medicine, who was also not involved with the study. —Jackie Flynn Mogensen, Scientific American, 27 Apr. 2026

First, verify the attorney’s license. —Albinson Linares, NBC news, 26 Apr. 2026

Ukraine did not comment on either attack, which could not be independently verified by the Associated Press. —Samya Kullab, Los Angeles Times, 26 Apr. 2026