attest

1
as in to certify
to declare (something) to be true or genuine the appraiser attests that the lamp is indeed an original Tiffany

Synonyms & Similar Words

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2
as in to testify
to make a solemn declaration under oath for the purpose of establishing a fact an eyewitness who will attest to my innocence

Synonyms & Similar Words

3

Synonym Chooser

How does the verb attest contrast with its synonyms?

Some common synonyms of attest are certify, vouch, and witness. While all these words mean "to testify to the truth or genuineness of something," attest applies to oral or written testimony usually from experts or witnesses.

attested to the authenticity of the document

When would certify be a good substitute for attest?

The words certify and attest can be used in similar contexts, but certify usually applies to a written statement, especially one carrying a signature or seal.

certified that the candidate had met all requirements

When could vouch be used to replace attest?

The meanings of vouch and attest largely overlap; however, vouch applies to one who testifies as a competent authority or a reliable person.

willing to vouch for her integrity

When is witness a more appropriate choice than attest?

Although the words witness and attest have much in common, witness applies to the subscribing of one's own name to a document as evidence of its genuineness.

witnessed the signing of the will

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 attest As Tuchel attested, England’s inclination to regain possession was as impressive as their work on the ball. Mark Carey, New York Times, 10 Oct. 2025 As most pregnant people can attest, talking to your baby while they are still safely tucked away in the womb is one of the most comforting ways to feel that the two of you are connected. Elisabeth Sherman, Parents, 8 Oct. 2025 But, as those of us who speak Spanish daily can attest, many still look down on Spanish as a language, and definitely on the people who speak it. Leila Cobo, Billboard, 8 Oct. 2025 But public sentiment is a powerful force, as Jimmy Kimmel can attest. Donald Nieman, The Conversation, 7 Oct. 2025 See All Example Sentences for attest
Recent Examples of Synonyms for attest
Verb
  • Weeks before his retirement, the Indiana Supreme Court certified Stoner to continue hearing cases on a part-time basis in Marion County through 2025.
    Ryan Murphy, IndyStar, 21 Oct. 2025
  • The fabric is also made wrinkle and fade resistant as well as hypoallergenic and Oeko-Tex certified.
    Mariana Best, Better Homes & Gardens, 19 Oct. 2025
Verb
  • During a four-day trial in Los Angeles, Dunbar testified about his belief that the COVID vaccine is harmful and against God’s teachings.
    Gene Maddaus, Variety, 18 Oct. 2025
  • Also at the hearing, Los Angeles Police Department (LAPD) forensic analysts and detectives testified that Mooney's body was found in a refrigerator.
    Charlotte Phillipp, PEOPLE, 18 Oct. 2025
Verb
  • Christiaan Triebert is a Times reporter working on the Visual Investigations team, a group that combines traditional reporting with digital sleuthing and analysis of visual evidence to verify and source facts from around the world.
    Danny Makki, New York Times, 16 Oct. 2025
  • An editor verified the accuracy of the information before publishing.
    Nick Lichtenberg, Fortune, 16 Oct. 2025
Verb
  • Mint Hill to see new mayor Mint Hill is guaranteed new leadership after this election.
    Nora O'Neill, Charlotte Observer, 15 Oct. 2025
  • Implementing them would bring Cambodia’s practice in line with its own Constitution, which guarantees workers the right to form and join trade unions of their choosing, and its commitments under ILO Conventions 87 and 98, bolstering its reputation as a responsible sourcing country.
    Sourcing Journal, Sourcing Journal, 15 Oct. 2025
Verb
  • But local journalists confirmed the video was of agents detaining a protester.
    Ben Smith, semafor.com, 20 Oct. 2025
  • United later confirmed the pilot sustained only minor injuries.
    Kaif Shaikh, Interesting Engineering, 20 Oct. 2025
Verb
  • The couple has publicly refuted those claims, affirming the authenticity of their partnership.
    Amanda Castro, MSNBC Newsweek, 15 Oct. 2025
  • Krenwinkel’s challenge to that reversal was denied by the Los Angeles County Superior Court in January 2024, and the ruling was later affirmed on appeal.
    Stepheny Price , Melissa Chrise, FOXNews.com, 15 Oct. 2025
Verb
  • In fact, little of that story line, Androsoff argues, is backed up by historical evidence.
    JSTOR Daily, JSTOR Daily, 20 Oct. 2025
  • At the time, Cortese argued the tax was needed to address significant and growing budget challenges.
    Mercury News Editorial, Mercury News, 19 Oct. 2025
Verb
  • Yet the nation is now witnessing an unprecedented attack on the First Amendment.
    The Editorial Board, Oc Register, 19 Oct. 2025
  • Not only was Israel next to his mother as she was shot, but Isaac also witnessed the shooting.
    Lynsey Eidell, PEOPLE, 19 Oct. 2025

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Cite this Entry

“Attest.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/attest. Accessed 22 Oct. 2025.

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