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
  • Notably, his ex-girlfriend Cassie Ventura, whose landmark lawsuit in November 2023 initiated the mogul’s downfall, will testify under her real name as Victim-1.
    DeMicia Inman, VIBE.com, 2 May 2025
  • Haley is one of three women who are testifying in Weinstein’s retrial in New York City, which began on Wednesday, April 23.
    Christine Pelisek, People.com, 2 May 2025
Verb
  • Almost 82,000 also provided data from activity trackers that allowed researchers to verify their speed.
    Simon Spichak, Health, 2 May 2025
  • America, meet the Orb: a bold new attempt to verify you’re not a bot — just by looking you in the eye.
    Jennifer Jolly, USA Today, 2 May 2025
Verb
  • Past performances do not guarantee success in the future and betting odds fluctuate from one minute to the next.
    Marc Ramirez, USA Today, 4 May 2025
  • Medrano pointed to the state's Open Beaches Act, which guarantees free public access to its sandy shores.
    Mireya Villarreal, ABC News, 2 May 2025
Verb
  • On May 3, the actor attended Moda Operandi, the pre-Met Gala cocktail party orchestrated by Donatella Versace at The Twenty Two hotel, all but confirming her attendance at the biggest fashion event of the year.
    María Munsuri, Glamour, 4 May 2025
  • Google has confirmed the latest warnings — that Gmail accounts are under attack, and has issued some simple, critical advice.
    Zak Doffman, Forbes.com, 4 May 2025
Verb
  • Kendrick affirmed in a March note that investors might benefit from viewing bitcoin as both an additional big tech stock and as a hedge against traditional finance, combining the best of both worlds.
    Lisa Kailai Han, CNBC, 30 Apr. 2025
  • The Supreme Court affirmed the Geary Act’s deportation procedures, formulating a novel legal precept known as the plenary power doctrine that remains a key tenet of U.S. immigration law today.
    Rick Baldoz, The Conversation, 30 Apr. 2025
Verb
  • Mills argued the clause blocks the lawsuit because the Federal Tort Claims Act directs federal judges to interpret the merits of this type of case based on state law.
    Bart Jansen, USA Today, 29 Apr. 2025
  • Xzibit’s filing argues that the two have been separated for more than four years.
    Preezy Brown, VIBE.com, 28 Apr. 2025
Verb
  • Fans from all over the world traveled to witness Beyoncé's Los Angeles shows, which were filled with family, politics, soaring vocals, incredible fashion and masterful dancing.
    Caché McClay, USA Today, 3 May 2025
  • So, still 10-2 in favor of the Avs even after witnessing what’s transpired through six games.
    Pierre LeBrun, New York Times, 3 May 2025

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Cite this Entry

“Attest.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/attest. Accessed 12 May. 2025.

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