authenticate

verb

ə-ˈthen-ti-ˌkāt How to pronounce authenticate (audio)
Definition of authenticatenext
1
as in to certify
to declare (something) to be true or genuine a jeweler authenticated the diamond as real

Synonyms & Similar Words

Relevance
2
as in to verify
to give evidence or testimony to the truth or factualness of we require more than simply your word to authenticate this story

Synonyms & Similar Words

Antonyms & Near Antonyms

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 Athletic has authenticated that this is the same man. —Jacob Whitehead, New York Times, 27 Mar. 2025 Once the flagship platform launches, there will be two ways to authenticate to access ESPN’s full offerings. —Alex Sherman, CNBC, 13 Mar. 2025 Behavioral Biometrics For Enhanced Trust The next frontier in identity management lies in behavioral biometrics, which analyze patterns like typing speed, mouse movements and voice to authenticate users. —Gaurav Aggarwal, Forbes, 25 Feb. 2025 By this logic, the writer becomes a navigator exploring truth through lies, the real through the imaginary and vice versa, to reach the truth through lies, and this truth, if attained, must again be subjected to the test of lies or the imaginary to authenticate its truth or reality. —Abubakar Adam Ibrahim, The Dial, 4 Mar. 2025 See All Example Sentences for authenticate
Recent Examples of Synonyms for authenticate
  1. certify
  2. verify
  3. guarantee
  4. confirm
  5. affirm
  6. attest
Verb
  • X-ray techs usually have an associate degree in radiologic technology, pass a licensing test, and get certified through the American Registry of Radiologic Technologists.
    — Sho Dewan, Forbes.com, 2 Apr. 2025
  • Once inspected they can be certified, potentially lowering insurance costs.
    — Elizabeth Weise, USA Today, 1 Apr. 2025
Definition of certify
Verb
  • The Department of Energy also made financial offers to workers to resign on Monday, according to a report by E&E News that Reuters could not immediately verify.
    — Leah Douglas, USA Today, 1 Apr. 2025
  • Always be cautious if a familiar voice asks for unusual requests or personal details, and verify the call independently if in doubt.
    — Josh Hammer, MSNBC Newsweek, 1 Apr. 2025
Definition of verify
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
Definition of guarantee
Verb
  • Variety confirms the project, which does not have an official title, is being set up at Netflix, where Fincher has a first-look deal.
    — J. Kim Murphy, Variety, 2 Apr. 2025
  • The Pasadena Police Department confirmed a police report was filed, but referred all questions on the case to the Pasadena Unified School District.
    — Nathan Solis, Los Angeles Times, 1 Apr. 2025
Definition of confirm
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
Definition of affirm
Verb
  • As as Oklahoma and USC, which suffered the devastating break in JuJu Watkins’ knee injury, can attest, an opponent can only pick its poison against UConn now.
    — Dom Amore, Hartford Courant, 1 Apr. 2025
  • To become a saint, however, miracles do need to be attested.
    — Time, Time, 27 Mar. 2025
Definition of attest

Browse Nearby Words

authentically
authenticate
authenticated
See all Nearby Words

Cite this Entry

“Authenticate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/authenticate. Accessed 15 Apr. 2025.

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