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 anybody who has spent time in San Antonio can attest, the city is home to some of the best in the state, with a style all our own. Edmund Tijerina, Bon Appétit, 27 Feb. 2025 As its three Oscar nominations attest, The Wild Robot subtracts spiritual fundamentalism in service of Pixarism. Armond White, National Review, 26 Feb. 2025 His 12 fight-night bonus awards in 12 UFC outings can attest to that. Trent Reinsmith, Forbes, 23 Feb. 2025 And that god, as any parent of a teenager can attest, can be judging and unforgiving. Scott Roxborough, The Hollywood Reporter, 21 Feb. 2025 See All Example Sentences for attest
Recent Examples of Synonyms for attest
Verb
  • Kettle & Fire also pays to certify its broth is free of any residue from the herbicide glyphosate and proudly displays that fact on its label.
    Chloe Sorvino, Forbes, 9 Mar. 2025
  • Agencies don’t have the forms to nominate officers and deputies, much less train and certify them.
    Ana Ceballos, Miami Herald, 8 Mar. 2025
Verb
  • Many of the state bills to ease residency requirements have been based on model legislation from the Cicero Institute, a conservative think tank that sent representatives to testify to legislatures after proposing such programs in 2020.
    Arielle Zionts, NPR, 3 Mar. 2025
  • The appeals court noted in its ruling that women had been allowed to testify about allegations that weren’t part of the case.
    Gary Baum, The Hollywood Reporter, 3 Mar. 2025
Verb
  • There was no sanitizer measured in a three-compartment sink or in buckets with wipe cloths, and employees did not know how to properly verify the quantity of sanitizer using test strips.
    Camila Pedrosa, Sacramento Bee, 7 Mar. 2025
  • Check road conditions: Before embarking on your journey, verify the current road conditions to make informed travel decisions.
    Southern California Weather Report, Orange County Register, 7 Mar. 2025
Verb
  • Tuesday, April 8, 2025 Deadline to apply for membership to guarantee voting eligibility for both rounds of the 77th Emmy competition and to secure member entry fee discount.
    Marcus Jones, IndieWire, 6 Mar. 2025
  • After three straight years of Caitlin Clark and the Iowa Hawkeyes dominating the tournament, a new champion is almost guaranteed to emerge.
    Russel Honoré, Newsweek, 6 Mar. 2025
Verb
  • The White House confirmed that Trump's letter to Iran's leaders is seeking to negotiate a nuclear deal.
    arkansasonline.com, arkansasonline.com, 8 Mar. 2025
  • Billboard confirmed this and has reached out to Gaga’s representatives for further comment.
    Mitchell Peters, Billboard, 8 Mar. 2025
Verb
  • Cautious optimism grew earlier in the week as the twice-daily health updates affirmed that the pope was eating solid food, sitting up in his armchair, and even taking care of simple work tasks from the comfort of his hospital room.
    Timothy Nerozzi, Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government, 1 Mar. 2025
  • Lee is appealing his conviction for election-law violations in 2022, and if two appellate courts affirm it, he will be barred from public office for 10 years.
    Ian Bremmer, TIME, 28 Feb. 2025
Verb
  • There was arguing between Sai and Steph about air signs, and chewing gum, and how long someone should be allowed to spend looking at the stars.
    Dalton Ross, EW.com, 27 Feb. 2025
  • In an interview with Sky Sport before Liverpool’s convincing win over Manchester City earlier this month, Salah—while respecting opposing marksman Erling Haaland’s talents—argued the number nine’s job is more straightforward than hitting the same heights from the wing (German).
    Henry Flynn, Forbes, 27 Feb. 2025
Verb
  • The American dream is unstoppable, and our country is on the verge of a comeback, the likes of which the world has never witnessed, and perhaps will never witness again.
    TIME Staff, TIME, 5 Mar. 2025
  • The American dream is unstoppable and our country is on the verge of a comeback, the likes of which the world has never witnessed and perhaps will never witness again.
    NPR, NPR, 5 Mar. 2025

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Cite this Entry

“Attest.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/attest. Accessed 13 Mar. 2025.

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