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 anyone who’s even slightly followed rap over the past decade and a half can attest, this isn’t Drake’s first time engaging in warfare with his peers. Kyndall Cunningham, Vox, 17 Mar. 2025 Many Geminis can attest to these concerns because the mutable sign takes on the energy of everyone around them. Lisa Stardust, People.com, 21 Mar. 2025 Before a warrant is issued, an officer must attest that the request for it is not based on information from informants who have provided false information that has led to negative raids in the past, the bill states. Jeremy Gorner, Chicago Tribune, 19 Mar. 2025 Numerous historical sources attest to her life, work and rule. Stephanie Balkwill, The Conversation, 17 Mar. 2025 See All Example Sentences for attest
Recent Examples of Synonyms for attest
Verb
  • X-ray techs usually have an associate degree in radiologic technology, pass a licensing test, and get certified through the American Registry of Radiologic Technologists.
    Sho Dewan, Forbes.com, 2 Apr. 2025
  • Once inspected they can be certified, potentially lowering insurance costs.
    Elizabeth Weise, USA Today, 1 Apr. 2025
Verb
  • First responders later testified that Read tried to perform CPR on O'Keefe.
    Rachel Treisman, NPR, 28 Mar. 2025
  • The jury’s acquittals were unusual because the Justice Department rarely loses such cases in South Florida — recognized as the nation’s healthcare fraud capital — particularly those involving defendants like the three defendants who pleaded guilty and testified against the co-conspirators at trial.
    Jay Weaver, Miami Herald, 28 Mar. 2025
Verb
  • But now, the SSA is changing that policy, which a White House official told CBS MoneyWatch is due to the rollout of anti-fraud software that will be able to identify anomalies and flag potential fraud when people verify their identities over the phones.
    Anne Marie Drummond Lee, CBS News, 10 Apr. 2025
  • This breach may have been linked to an insider job during layoffs at X, although the company has not verified this claim.
    Kurt Knutsson, CyberGuy Report, FOXNews.com, 9 Apr. 2025
Verb
  • The game is almost guaranteed to be over when Emmanuel Clase comes in, but the All-Star closer did not have his best stuff.
    Ryan Morik, FOXNews.com, 10 Apr. 2025
  • Unlike the drama and comedy series races, which are guaranteed eight nominees regardless of submission count, the limited series category uses a proportional system.
    Clayton Davis, Variety, 10 Apr. 2025
Verb
  • Production on new episodes began in January, with Elordi, Zendaya and Sydney Sweeney among the other cast members confirmed to return.
    J. Kim Murphy, Variety, 11 Apr. 2025
  • An official familiar with the matter confirmed to ABC News that days after Vance's visit, Col. Sussanah Meyers wrote an email to base personnel that distanced the base from some of the vice president's comments about Denmark, of which Greenland is a semi-autonomous territory.
    Luis Martinez, ABC News, 11 Apr. 2025
Verb
  • After affirming his commitment to cooperating with the investigation, protecting Jewish students and protecting free speech, Wood referenced the protest.
    Jennah Pendleton, Sacramento Bee, 24 Mar. 2025
  • At the same time with all of this, box office sources, not just Disney, affirm that Snow White played evenly across the country.
    Anthony D'Alessandro, Deadline, 23 Mar. 2025
Verb
  • Now, perhaps swayed by Trump’s popular vote victory – the first for a Republican candidate in 20 years – many US conservatives appear to have changed their position, arguing the US is more a democracy than a republic.
    Christian Edwards, CNN Money, 5 Apr. 2025
  • The imposition of the tariffs is also detrimental to the wider Caribbean Community, the Guyanese Chamber argues, and exacerbate the vulnerability of countries with already fragile economies.
    Jacqueline Charles, Miami Herald, 4 Apr. 2025
Verb
  • To witness the action unfold along the pivotal Amen Corner and find out who wins the next iconic green jacket, start watching at 7:30 on Thursday morning.
    Christopher Murray, FOXNews.com, 9 Apr. 2025
  • Liverpool supporters witnessed that first-hand during the 4-0 Champions League victory over Xabi Alonso’s side mentioned above.
    Andy Jones, New York Times, 9 Apr. 2025

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Cite this Entry

“Attest.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/attest. Accessed 16 Apr. 2025.

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