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 our mattress testers can attest, the free white-glove delivery process is smooth and won’t leave you lugging a compressed mattress up the stairs. Yelena Moroz Alpert, Architectural Digest, 28 Apr. 2025 As many parents can attest, during winter, getting a small child to wear a hat can be impossible. Discover Magazine, 26 Apr. 2025 Multiple users on Reddit attested to this, having experienced it firsthand during the ultra-brief pause on de minimis shipments from China implemented by the Trump administration in February. Kate Nishimura, Sourcing Journal, 21 Apr. 2025 But as any seasoned CFO will attest, mastering the numbers is only part of the equation. Pankaj Vasani, Forbes.com, 16 Apr. 2025 See All Example Sentences for attest
Recent Examples of Synonyms for attest
Verb
  • Ten of those 21 controllers and supervisors are receiving on-the-job training; all 10 are certified in at least one position, and two are certified in multiple positions.
    Nick Mordowanec, MSNBC Newsweek, 7 May 2025
  • Those investments are on hold, and there is no way to get new respirators certified.
    Claudio Dente, Boston Herald, 7 May 2025
Verb
  • Officer Aicha still tries to move forward with the case, asking if Cecilie’s son, Viggo, could testify against Oscar, but Cecilie refuses to put her son in that situation.
    Isadora Wandermurem, Time, 16 May 2025
  • Also on Wednesday, Transportation Secretary Sean Duffy testified at a House Appropriations Committee hearing and faced multiple questions regarding outages at Newark.
    Jaclyn Diaz, NPR, 15 May 2025
Verb
  • The Times could not yet verify whether Bartkus had any other affiliation with the base.
    Richard Winton, Los Angeles Times, 19 May 2025
  • Videos of the strikes have circulated widely, but the footage could not be independently verified.
    Yevgeny Kuklychev Ellie Cook, MSNBC Newsweek, 19 May 2025
Verb
  • That would guarantee home field advantage for regional and super regional rounds for the team that leads college baseball with 32 home victories.
    Matt Jones, Arkansas Online, 17 May 2025
  • The founding documents of the United States of America guarantee unalienable rights to the people.
    Moti Mizrahi, The Orlando Sentinel, 17 May 2025
Verb
  • Steve Burton confirms 'General Hospital' exit over vaccine mandate: This 'hurts'Need a break?
    Anna Kaufman, USA Today, 20 May 2025
  • The Tiger King star confirmed the deportation of Flores via social media.
    Charlotte Phillipp, People.com, 19 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
  • Researchers must affirm their safety in larger studies and better understand whether these cells remain functional for the long term and can make a meaningful difference in patients’ lives.
    Lisa Jarvis, Twin Cities, 9 May 2025
Verb
  • Ramaphosa and other defenders of the Expropriation Act have argued that the policies are needed to reverse the nation’s apartheid-era legacy of disparities in land ownership.
    Joey Garrison, USA Today, 11 May 2025
  • Opponents argue the laws sanction discrimination and the exclusion of a vulnerable minority group and that rhetoric produced in these debates can stigmatize the transgender community.
    Sam Gringlas, NPR, 10 May 2025
Verb
  • In Um Bada, an area recently retaken by the Sudanese army that's close to Khartoum, NPR witnessed six blindfolded young men under arrest, walking single file into a residence where the army was based.
    Emmanuel Akinwotu, NPR, 16 May 2025
  • In the final two episodes of Season 13, Meredith witnessed an explosion that caused a fire on an upper floor of the hospital from the parking lot.
    Max Gao, Variety, 16 May 2025

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Cite this Entry

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

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