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

Relevance
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 Superintendents attested to district students leaving the Southland to receive career readiness support at facilities such as the Kankakee Area Career Center and the WorkNet DuPage Career Center. Olivia Stevens, Chicago Tribune, 4 Apr. 2025 As his more experimental solo records attest — and which went unrepresented on Thursday — White is guilty of being inconsistent. Bob Gendron, Chicago Tribune, 11 Apr. 2025 Drinking more water really is key to glowing skin, an extra few hours of sleep does more… Accessorize Pearl Jam Pearls are back, as one look at the Paris runways will attest. Michael Odell, Air Mail, 10 Apr. 2025 The bot has an 8-inch cutting disc with multiple spinning razor blades (not to be trifled with as the tip of my middle finger can attest). Anthony Karcz, Forbes.com, 8 Apr. 2025 See All Example Sentences for attest
Recent Examples of Synonyms for attest
Verb
  • Districts are already required to certify their compliance with existing federal law, something Gallagher noted in her ruling.
    Cory Turner, NPR, 26 Apr. 2025
  • Since 2018, the property has been the Caribbean's first and only certified carbon-neutral hotel.
    Jacqueline Dole, Travel + Leisure, 26 Apr. 2025
Verb
  • Witnesses in the trial included Jose Uribe, a New Jersey businessman who pleaded guilty last year and testified for the government.
    Aaron Katersky, ABC News, 21 Apr. 2025
  • Last year, Discord Chief Executive Officer and co-founder Jason Citron was called to testify before the US Senate at a hearing on protecting children online.
    Bloomberg, Mercury News, 18 Apr. 2025
Verb
  • The system can also verify that the individual presenting the document is both physically present and matches the ID photo, all completed remotely in minutes.
    Alonzo Martinez, Forbes.com, 25 Apr. 2025
  • Newsweek was not able to to independently verify whether all ranking officers killed belonged to Houthi military or police forces.
    Thomas G. Moukawsher, MSNBC Newsweek, 25 Apr. 2025
Verb
  • Early wins don’t necessarily guarantee long-term success, so continuous improvement is key.
    Hope Horner, Forbes.com, 23 Apr. 2025
  • Cousins' salary for the upcoming season is fully guaranteed.
    Chantz Martin, FOXNews.com, 23 Apr. 2025
Verb
  • But officials were not able to confirm if a blown tire was at fault for the crash.
    Ron Wilkins, USA Today, 26 Apr. 2025
  • One of the latest cases involves Hertz, the car rental giant, which recently confirmed that customer data was exposed because of a cyberattack on one of its software vendors.
    Kurt Knutsson, FOXNews.com, 25 Apr. 2025
Verb
  • On the bench, like a trainer hyping up a boxer, Murray’s Denver Nuggets teammates continuously affirmed him, telling him to keep his head up, assuring him that good things would eventually start to happen.
    Tony Jones, New York Times, 20 Apr. 2025
  • Heineken reported first-quarter revenue growth that beat analysts’ expectations on Wednesday morning and affirmed its full-year guidance despite the tariff risks.
    Brandon Gomez, CNBC, 16 Apr. 2025
Verb
  • And some would argue that the lawsuits from NYT and others against OpenAI or other model companies represent a case of this.
    John Werner, Forbes.com, 14 Apr. 2025
  • Daron Acemoglu has argued for a more all-encompassing approach.
    John Cassidy, New Yorker, 14 Apr. 2025
Verb
  • Clinging to their illusions, the Whites remained loyal to Hitler’s Germany even after witnessing the atrocities the Nazis committed.
    Foreign Affairs, Foreign Affairs, 22 Apr. 2025
  • Cardi says this album will be deeply personal, reflecting the highs and lows she’s experienced in life — some of which fans have witnessed.
    Amber Corrine, VIBE.com, 21 Apr. 2025

Browse Nearby Words

Cite this Entry

“Attest.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/attest. Accessed 29 Apr. 2025.

More from Merriam-Webster on attest

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!