ATTEST Synonyms: 49 Similar and Opposite Words

Q: 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

Q: 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

Q: 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

Q: 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

attest

verb

ə-ˈtest

Definition of attest next

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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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

as in to verify

to give evidence or testimony to the truth or factualness of I'll attest that she was at the party

Synonyms & Similar Words

Antonyms & Near Antonyms

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 Anyone who has experienced the blistering pain associated with biting into a fresh apple pastry or taking a swig of hot coffee can attest to the importance of blowing on your food or drink before introducing it to your mouth. —

Robert Lea, Space.com, 29 Jan. 2025 Marlee Matlin has counted Henry Winkler as a close friend for decades, as a new documentary about the Oscar-winning actress attests. —

Jack Smart, People.com, 25 Jan. 2025 Proof of that legacy comes with D’Angelo, Chaka Khan, George Clinton, Terry Lewis and Living Colour’s Vernon Reid attesting to the Family Stone’s massive popularity at the time over footage of the group rocking the stage. —

Gil Kaufman, Billboard, 24 Jan. 2025 As the countless Brazilians who flooded the Academy’s YouTube page can attest, Walter Salles’s family drama had the morning’s most unexpectedly strong showing. —

Nate Jones, Vulture, 23 Jan. 2025 See all Example Sentences for attest

Recent Examples of Synonyms for attest

Verb

Each location has unique factors including weather patterns, traffic volume and geographic features that trainees must master before becoming certified.

— Justin Gest, Newsweek, 11 Feb. 2025
Then-State’s Attorney Jack O’Malley, a Republican who served from 1990 to 1996, challenged the union drive by asking a Cook County judge to halt state and local labor relations boards from certifying the petition to unionize from the Prosecutors’ Bar Association of Cook County.

— Madeline Buckley, Chicago Tribune, 11 Feb. 2025