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 papers — which The Athletic has seen and authenticated, along with The Times and a YouTube documentary team — comprise a judgment against City by UEFA’s ‘club financial control board’ (CFCB) in 2020. Phil Hay, New York Times, 28 Mar. 2025 To prevent Mallory or another adversary-in-the-middle from obtaining the key, Alice must first authenticate herself through Okta, Ping, or whatever other identity provider, or IDP, Bob’s organization uses. Dan Goodin, ArsTechnica, 3 Apr. 2025 Others have used computer vision with some success in aiding material analysis of pigments and texture; more mercenary applications by museums and collectors include its potential to authenticate works of art. Sonja Drimmer, Artforum, 1 Apr. 2025 Todd said the center reached out to experts including Alan Mackenna of Loch Ness Exploration to authenticate the image. N'dea Yancey-Bragg, USA Today, 31 Mar. 2025 See All Example Sentences for authenticate
Recent Examples of Synonyms for authenticate
Verb
  • In the United States, however, in order for a wine to be categorized as organic, both the winery’s vineyards and facilities need to be certified by one of the major organizations — USDA Organic, Regenerative Organic Certified (ROC) or California Certified Organic Farmers (CCOF).
    Jillian Dara, Forbes.com, 13 Apr. 2025
  • Moving into a new home or apartment, changing party affiliation or updating a name, for example, all would now require that Americans go in-person to an election office with original or certified documentation of identity and citizenship status to make any changes or register at all.
    Karissa Waddick, USA Today, 11 Apr. 2025
Verb
  • But now, the SSA is changing that policy, which a White House official told CBS MoneyWatch is due to the rollout of anti-fraud software that will be able to identify anomalies and flag potential fraud when people verify their identities over the phones.
    Anne Marie Drummond Lee, CBS News, 10 Apr. 2025
  • The most recent press release on the matter, dated March 26, announced that many claimants would no longer be able to verify their identity with the SSA by phone.
    Raja Krishnamoorthi, MSNBC Newsweek, 9 Apr. 2025
Verb
  • Unlike the drama and comedy series races, which are guaranteed eight nominees regardless of submission count, the limited series category uses a proportional system.
    Clayton Davis, Variety, 10 Apr. 2025
  • The game is almost guaranteed to be over when Emmanuel Clase comes in, but the All-Star closer did not have his best stuff.
    Ryan Morik, FOXNews.com, 10 Apr. 2025
Verb
  • An official familiar with the matter confirmed to ABC News that days after Vance's visit, Col. Sussanah Meyers wrote an email to base personnel that distanced the base from some of the vice president's comments about Denmark, of which Greenland is a semi-autonomous territory.
    Luis Martinez, ABC News, 11 Apr. 2025
  • He was pronounced dead by a physician at 6:05 p.m., the South Carolina Department of Corrections confirmed to CBS News.
    CBS News, CBS News, 11 Apr. 2025
Verb
  • After affirming his commitment to cooperating with the investigation, protecting Jewish students and protecting free speech, Wood referenced the protest.
    Jennah Pendleton, Sacramento Bee, 24 Mar. 2025
  • At the same time with all of this, box office sources, not just Disney, affirm that Snow White played evenly across the country.
    Anthony D'Alessandro, Deadline, 23 Mar. 2025
Verb
  • As his more experimental solo records attest — and which went unrepresented on Thursday — White is guilty of being inconsistent.
    Bob Gendron, Chicago Tribune, 11 Apr. 2025
  • Drinking more water really is key to glowing skin, an extra few hours of sleep does more… Accessorize Pearl Jam Pearls are back, as one look at the Paris runways will attest.
    Michael Odell, Air Mail, 10 Apr. 2025

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Cite this Entry

“Authenticate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/authenticate. Accessed 20 Apr. 2025.

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