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 update adds the following sentences: Caution When a user performs a local logon, their credentials are verified locally against a cached copy before being authenticated with an identity provider over the network. Dan Goodin, ArsTechnica, 30 Apr. 2025 Instead, the agency said people would have to take steps to authenticate their claim and prove their identity online or through an in-person visit. Lauren Irwin, The Hill, 9 Apr. 2025 Managers from both authenticated the videos from the stand and were not cross-examined. Flint McColgan, Boston Herald, 25 Apr. 2025 Designed to authenticate digital accounts as belonging to real, unique humans rather than automated systems, proof-of-human mechanisms can take on different forms in the context of video games. Steven Smith, Forbes.com, 22 Apr. 2025 See All Example Sentences for authenticate
Recent Examples of Synonyms for authenticate
Verb
  • That image, and Hawley’s subsequent refusal to certify the results of the Electoral College, would permanently tarnish his reputation, many observers thought at the time.
    Eyal Press, New Yorker, 30 May 2025
  • This is the gold standard for certifying the jacket will hold up under adverse conditions and perform as promised.
    BestReviews, Mercury News, 30 May 2025
Verb
  • Who verified the authenticity of such serious accusations?
    Letters to the Editor, The Orlando Sentinel, 31 May 2025
  • For example, Google has fully embraced zero trust principles across its enterprise, eliminating traditional network perimeters and ensuring that all users—whether on-premises or remote—verify their identity and device integrity before accessing resources.
    Francis Dinha, Forbes.com, 30 May 2025
Verb
  • But unlike last offseason, when the Falcons committed $90 million guaranteed to Kirk Cousins before using a first-round pick for another QB, Michael Penix Jr., the move to draft pass rushers Jalon Walker and James Pearce Jr. was not an either-or proposition.
    Mike Sando, New York Times, 29 May 2025
  • It was built after decades of fraud to guarantee that votes are counted, verified, and trusted.
    Arick Wierson, MSNBC Newsweek, 29 May 2025
Verb
  • By 1946, romance rumors started to swirl about the pair, and on July 9, 1947, they were confirmed when the two announced their engagement, and were married on Nov. 20 that same year.
    Stephanie Sengwe, People.com, 31 May 2025
  • Lily Wang, a product manager for the brand, confirmed that the home can also include solar panels and a rainwater harvesting system.
    Rylee Johnston, Travel + Leisure, 31 May 2025
Verb
  • But all eyes are likely to be on A$AP Rocky, who’s done some scattered acting before, but who appears in his biggest role to date as Yung Felon, a part whose place in the story has yet to be revealed, but that’s been affirmed by Lee to be a major one.
    Alison Willmore, Vulture, 13 May 2025
  • The new pope’s brother had to resolve an online dispute by affirming Leo is a fan of the South Side’s Chicago White Sox and not the North Side’s Cubs.
    Carmen M. Nanko-Fernández, The Conversation, 9 May 2025
Verb
  • The best petite denim skirts Those who have a little less natural height can attest that most skirts purchased are immediately dropped off at the tailor for hemming.
    Avery Matera, Glamour, 30 May 2025
  • Those of us who haven’t blotted the ’24 Sox out of our membranes can attest that the Rockies are substantially worse for one big reason — there is no Garrett Crochet on the staff to save them every fifth day.
    Paul Sullivan, Chicago Tribune, 26 May 2025

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Cite this Entry

“Authenticate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/authenticate. Accessed 5 Jun. 2025.

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