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 In 2024, the company announced Polar ID—the ability to utilize polarization data captured through this metasurface lens to identify and authenticate people. Simon Hill, WIRED, 5 Mar. 2025 Instead of seeking undisclosed information, the attacker exploits the reflection mechanism to intercept and authenticate the connection without revealing their own identity, potentially gaining unauthorized access to the device. Alex Vakulov, Forbes, 20 Feb. 2025 This item, also authenticated by Beckett, was sold for $138.60. Justin Gest, Newsweek, 10 Feb. 2025 The database also gave anyone who came across it full database control and potential privilege escalation capabilities without needing to authenticate a user's identity and whether they were allowed to see this database. Sam Sabin, Axios, 31 Jan. 2025 See All Example Sentences for authenticate
Recent Examples of Synonyms for authenticate
Verb
  • All teachers working in adult education are certified Connecticut teachers who hold additional adult education certifications.
    Larry Covino, Hartford Courant, 20 Mar. 2025
  • Key features: Solar safe filter technology protects eyes from IR, UV, and 99.99% of visible light, CE and ISO certified, model number ‏MK7062.
    Paul Brett, Space.com, 20 Mar. 2025
Verb
  • Witkoff An unidentified individual familiar with the work of the Yale Center verified the letter's contents and told the NYT that the details were accurate.
    Josh Hammer, Newsweek, 20 Mar. 2025
  • The new requirements will impact anyone who needs to verify their bank information with the agency, as well as families with children who receive Social Security benefits and cannot verify a child's information on the SSA website.
    CBS News, CBS News, 20 Mar. 2025
Verb
  • However, the study found that these content licensing deals did not guarantee accurate citation in chatbot responses.
    Sasha Rogelberg, Fortune, 18 Mar. 2025
  • The Constitution does not guarantee inmates a painless death.
    N'dea Yancey-Bragg, USA TODAY, 17 Mar. 2025
Verb
  • Three days later, his immigration attorney was able to reach an ICE official who confirmed that his client was in a prison in another country.
    Brian Bennett, TIME, 21 Mar. 2025
  • The next Starliner test flight would seek to confirm that the spacecraft's thrusters function properly after modifications were made to the vehicle's propulsion system, according to Stich.
    Leah Sarnoff, ABC News, 20 Mar. 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
  • Many Geminis can attest to these concerns because the mutable sign takes on the energy of everyone around them.
    Lisa Stardust, People.com, 21 Mar. 2025
  • Before a warrant is issued, an officer must attest that the request for it is not based on information from informants who have provided false information that has led to negative raids in the past, the bill states.
    Jeremy Gorner, Chicago Tribune, 19 Mar. 2025

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Cite this Entry

“Authenticate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/authenticate. Accessed 31 Mar. 2025.

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