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 But the limited scope and occasionally stingy terms of these deals, both of which required painful concessions, attest to Britain’s diminished position in the post-Brexit era. Mark Landler, New York Times, 20 May 2025 The convergence of these two approaches attests to the strength and reliability of their findings. John Drake, Forbes.com, 19 May 2025 Maltese attests maintaining a busy schedule to a work ethic gleaned from growing up with his Canadian parents in Reading, who would encourage him to travel into the capital as a teenager to pursue music further. Sophie Williams, Billboard, 15 May 2025 The announcements from the United States and China at Davos, followed by Europe’s response at the Paris AI Action Summit, attest to that. Sylvain Duranton, Forbes.com, 15 May 2025 See All Example Sentences for attest
Recent Examples of Synonyms for attest
Verb
  • That image, and Hawley’s subsequent refusal to certify the results of the Electoral College, would permanently tarnish his reputation, many observers thought at the time.
    Eyal Press, New Yorker, 30 May 2025
  • This is the gold standard for certifying the jacket will hold up under adverse conditions and perform as promised.
    BestReviews, Mercury News, 30 May 2025
Verb
  • Combs’ former employee Capricorn Clark is expected to testify first, followed by two law enforcement officials.
    Cheyenne Roundtree, Rolling Stone, 25 May 2025
  • Johnson testified to the legislature that COMBAT funding is at the top of the list of issues the budget freeze has caused in the prosecutor’s office.
    Ilana Arougheti, Kansas City Star, 24 May 2025
Verb
  • Who verified the authenticity of such serious accusations?
    Letters to the Editor, The Orlando Sentinel, 31 May 2025
  • For example, Google has fully embraced zero trust principles across its enterprise, eliminating traditional network perimeters and ensuring that all users—whether on-premises or remote—verify their identity and device integrity before accessing resources.
    Francis Dinha, Forbes.com, 30 May 2025
Verb
  • All they were guaranteed was pay for their work and a chance to apply for the lucrative scholarships.
    Houston Mitchell, Los Angeles Times, 29 May 2025
  • Trump’s ‘Golden Dome’ missile defense plan was inspired by Israel’s multitiered defenses Israeli leaders say the system isn’t 100% guaranteed, but credit it with preventing serious damage and countless casualties.
    Kazem Kazerounian, Hartford Courant, 29 May 2025
Verb
  • Detectives waited until the examiner could confirm the victim’s identity, DiMartino said.
    PJ Green, Kansas City Star, 31 May 2025
  • Lily Wang, a product manager for the brand, confirmed that the home can also include solar panels and a rainwater harvesting system.
    Rylee Johnston, Travel + Leisure, 31 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
  • In a recent interview with The Bee, Weber criticized new efforts — including from members of her own party — to speed up California’s vote count, arguing elections officials already prioritize security and voter access.
    Nicole Nixon, Sacbee.com, 22 May 2025
  • The news roughly coincided with the promotion of a book whose authors argue that his inner circle engaged in misdirection, if not obfuscation, about his mental acuity near the end of his term.
    Dhruv Khullar, New Yorker, 22 May 2025
Verb
  • Gradual unwind Other analysts say the carry trade impact may not be as severe as witnessed last year.
    Lee Ying Shan, CNBC, 28 May 2025
  • Several of Diddy’s former employees described witnessing violence against Cassie.
    Victoria Bekiempis, Vulture, 28 May 2025

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Cite this Entry

“Attest.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/attest. Accessed 4 Jun. 2025.

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