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 Sacramento broker Elizabeth Weintraub can attest to that. Lew Sichelman, Miami Herald, 4 June 2025 As the trial moved into its second week on Monday, the proceedings grew more technical, with detectives, evidence technicians and crime lab personnel attesting to evidence production and preservation. Madeline Buckley, Chicago Tribune, 23 May 2025 Donors must sign a form attesting to their identity, residence and employer. Mark Pazniokas, Hartford Courant, 22 May 2025 The best petite denim skirts Those who have a little less natural height can attest that most skirts purchased are immediately dropped off at the tailor for hemming. Avery Matera, Glamour, 30 May 2025 See All Example Sentences for attest
Recent Examples of Synonyms for attest
Verb
  • When Culture Change Becomes A Game Everyone Knows How To Play Are you certified in pretending to learn while multitasking?
    Dr. Diane Hamilton, Forbes.com, 13 June 2025
  • Sometime Beatle publicist Derek Taylor pushed the idea that the album certified Brian Wilson as a genius, and this worked wonders for his reputation with British listeners and songwriters.
    Craig Jenkins, Vulture, 12 June 2025
Verb
  • Although a strong past supporter, Gov. Maura Healey will not be among those testifying on behalf of District Court Judge Shelley Joseph on Monday.
    Peter Lucas, Boston Herald, 6 June 2025
  • Along with her participation in the freak-offs, this also included, Jane testified, instances where she was asked to fly with drugs for Combs.
    Cheyenne Roundtree, Rolling Stone, 6 June 2025
Verb
  • Consistent, accurate contact information helps both users and search engines verify your firm's legitimacy.
    Anton Kovalchuk, Forbes.com, 12 June 2025
  • Meanwhile, Deloitte has established a clearinghouse that will be known as NIL Go, which will be used to verify whether deals between athletes and boosters or collectives are for a valid business purpose rather than a recruiting incentive.
    Steven Johnson, Fort Worth Star-Telegram, 12 June 2025
Verb
  • Though no losses are never guaranteed, trade structures can guarantee a max loss of a position, using things like call and put spreads to cap downside.
    Alexander S. Blume, Forbes.com, 10 June 2025
  • These Quince flats are made with American cow leather and are guaranteed to be soft, but the real beauty is in the breathable design so your feet won’t get sweaty.
    Michelle Tchea, Travel + Leisure, 7 June 2025
Verb
  • Okay, now that that’s out of the way— Dua Lipa finally confirms her engagement to Callum Turner to British Vogue, after several months of rumors.
    Alejandra Gularte, Vulture, 13 June 2025
  • Separately, a Downtown Fort Worth spokesperson confirmed this with the Star-Telegram and said there are no planned street closures around the event site.
    Brayden Garcia, Fort Worth Star-Telegram, 13 June 2025
Verb
  • Watkins’ conviction was overturned in 2023, affirming his innocence after years of efforts by his family and the Georgia Innocence Project, according to the lawsuit.
    Miami Herald, Miami Herald, 6 June 2025
  • Illinois hospital emergency departments must continue to provide abortions when necessary to pregnant women whose health is in danger, despite a change in federal guidance earlier this week, state leaders affirmed Wednesday.
    Lisa Schencker, Chicago Tribune, 5 June 2025
Verb
  • Industry watchdogs argue that additional regulation is necessary to mitigate the spread of deepfake misinformation.
    Andrew R. Chow, Time, 3 June 2025
  • Nicholson argues the clock reset every time she was turned away from the stage.
    Maureen Groppe, USA Today, 3 June 2025
Verb
  • Times reporters witnessed federal agents lobbing multiple rounds of flash grenades and pepper balls at protesters.
    Michael Wilner, Los Angeles Times, 8 June 2025
  • Prado, from Unión del Barrio, has witnessed similar operations in the past, including a February 2019 operation during the first Trump presidency at Zion Market in Kearny Mesa.
    Alex Riggins, San Diego Union-Tribune, 8 June 2025

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Cite this Entry

“Attest.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/attest. Accessed 17 Jun. 2025.

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