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
Synonyms
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
The Ordinary’s hair density serum is formulated with peptides (amino acids are all the rage) to help make hair fuller, encourage new growth, and strengthen the hair cuticle—and shoppers are attesting to its effectiveness.
—
Christina Shepherd McGuire, Southern Living, 20 Jan. 2025
The folks in in Philly can attest and are eager to see what Fangio has in the offing for Sunday’s game against the Rams.
7.
—Dan Wiederer, Chicago Tribune, 17 Jan. 2025
History attests to the creative power of polymaths.
—Aytekin Tank, Forbes, 14 Jan. 2025
But those whose lives have been upended by the fires can attest to the truth of what Shakespeare is describing.
—Charles McNulty, Los Angeles Times, 13 Jan. 2025
See all Example Sentences for attest 
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Christina Shepherd McGuire, Southern Living, 20 Jan. 2025
The folks in in Philly can attest and are eager to see what Fangio has in the offing for Sunday’s game against the Rams.
7.
—Dan Wiederer, Chicago Tribune, 17 Jan. 2025
History attests to the creative power of polymaths.
—Aytekin Tank, Forbes, 14 Jan. 2025
But those whose lives have been upended by the fires can attest to the truth of what Shakespeare is describing.
—Charles McNulty, Los Angeles Times, 13 Jan. 2025
See all Example Sentences for attest
Dictionary Entries Near attest
Cite this Entry
“Attest.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/attest. Accessed 24 Jan. 2025.
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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