Synonyms & Antonyms of attest

1 to declare (something) to be true or genuine
  • the appraiser attests that the lamp is indeed an original Tiffany

Synonyms for attest

Words Related to attest

2 to make a solemn declaration under oath for the purpose of establishing a fact
  • an eyewitness who will attest to my innocence

Synonyms for attest

Words Related to attest

Phrases Synonymous with attest

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

Synonyms for attest

Words Related to attest

Near Antonyms for attest

Antonyms for attest

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Frequently Asked Questions About attest

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

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Time Traveler for attest

Time Traveler

The first known use of attest was circa 1500

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Cite this Entry

“Attest.” Thesaurus, Merriam-Webster, Accessed 25 Oct. 2021.

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More from Merriam-Webster on attest

Nglish: Translation of attest for Spanish Speakers

Britannica English: Translation of attest for Arabic Speakers


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