attest

verb

at·​test ə-ˈtest How to pronounce attest (audio)
attested; attesting; attests

transitive verb

1
a
: to affirm to be true or genuine
specifically : to authenticate by signing as a witness
b
: to authenticate officially
2
: to establish or verify the usage of
a word that was first attested in the 18th century
3
: to be proof of : manifest
Her record attests her integrity.
4
: to put on oath

intransitive verb

: to show, prove, or state that something is true or real
usually used with to
I can attest to the truth of his statement.
attest to a belief
attester noun
Choose the Right Synonym for attest

certify, attest, witness, vouch mean to testify to the truth or genuineness of something.

certify usually applies to a written statement, especially one carrying a signature or seal.

certified that the candidate had met all requirements

attest applies to oral or written testimony usually from experts or witnesses.

attested to the authenticity of the document

witness applies to the subscribing of one's own name to a document as evidence of its genuineness.

witnessed the signing of the will

vouch applies to one who testifies as a competent authority or a reliable person.

willing to vouch for her integrity

Examples of attest in a Sentence

I can attest that what he has said is true. The certificate attests the authenticity of the painting.
Recent Examples on the Web
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.
Barish also discovered that the organization Open House NY, where Han Lo had claimed to be executive director of a Los Angeles division in order to make his way into the Colonial — going as far as to build a website, now apparently deleted, attesting to his job there — had never heard of him. Suzanne Seggerman, Curbed, 14 Nov. 2024 As anyone who has ever played in the rain can attest, everything about the ball feels differently as the leather gets wet. Don Yaeger, Forbes, 5 Nov. 2024 However, others attest the film isn’t getting an awards push at all. Rebecca Rubin, Variety, 3 Nov. 2024 The button-down top and matching pants are made with a blend of rayon and Tencel fabric that this shopping writer can also attest to feeling incredibly soft. Gabriella Maestri, Travel + Leisure, 2 Nov. 2024 See all Example Sentences for attest 

Word History

Etymology

Middle French attester, from Latin attestari, from ad- + testis witness — more at testament

First Known Use

circa 1500, in the meaning defined at transitive sense 1a

Time Traveler
The first known use of attest was circa 1500

Dictionary Entries Near attest

Cite this Entry

“Attest.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/attest. Accessed 22 Nov. 2024.

Kids Definition

attest

verb
at·​test ə-ˈtest How to pronounce attest (audio)
1
: to affirm to be true
2
: to be proof of
the result attests the truth of that statement
attestation noun
attester noun

Legal Definition

attest

verb
at·​test ə-ˈtest How to pronounce attest (audio)

transitive verb

: to bear witness to : affirm to be true or genuine
specifically : to authenticate (as a will) by signing as a witness

intransitive verb

: to bear witness : testify
often used with to
attestation noun
Etymology

Latin attestari, from ad to + testari to call to witness, from testis witness

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!