attested; attesting; attests
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
: 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
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
As managing director at the luxe Bluefields Bay Villas on the island's relaxed and radiant southwestern coast, Moncure attests that this is a part of the island that never feels crowded, even as cruise ships and busy all-inclusives bring thousands of tourists elsewhere in Jamaica.
—
Carley Rojas Avila, Travel + Leisure, 30 Jan. 2026
As General Motors can attest, collisions can spell the end of a self-driving business.
—Alexei Oreskovic, Fortune, 30 Jan. 2026
Ancient wisdom attests to this powerful creative spirit.
—Andrew McDiarmid, Chicago Tribune, 30 Jan. 2026
Oribe can attest to this—thanks to their luncheon yesterday in Times Square which gave editors a first look at their new Eternal Curls collection.
—Essence, 28 Jan. 2026
See All Example Sentences for attest
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Carley Rojas Avila, Travel + Leisure, 30 Jan. 2026
As General Motors can attest, collisions can spell the end of a self-driving business.
—Alexei Oreskovic, Fortune, 30 Jan. 2026
Ancient wisdom attests to this powerful creative spirit.
—Andrew McDiarmid, Chicago Tribune, 30 Jan. 2026
Oribe can attest to this—thanks to their luncheon yesterday in Times Square which gave editors a first look at their new Eternal Curls collection.
—Essence, 28 Jan. 2026
See All Example Sentences for attest
Cite this Entry
“Attest.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/attest. Accessed 1 Feb. 2026.
Copy CitationKids Definition
attest
verb
at·test
ə-ˈtest 
1
: to affirm to be true
2
: to be proof of
the result attests the truth of that statement
Legal Definition
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