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Definition of attest
transitive verb
1a : to affirm to be true or genuine; specifically : to authenticate by signing as a witnessb : to authenticate officially
2 : to establish or verify the usage of The first use of the word “Internet” is attested in 1985.
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
From the M-W Editors
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 of attest from the Web
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Waldrop, who specializes in foot and ankle surgery, can attest to that.
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For example, there must be widespread evidence in a variety of sources, attested over a significant period of time.
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Sometimes even dozens of treatments do not avert amputations, as diabetic William Padgett Jr., 65, of Culpeper, Va., can attest.
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YPT co-owner Rowan Beard said most reviewers have attested to the company's professionalism and preparation.
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Scientists predicted the prevalence of the disease would jump this summer, and many parents can attest to that scary increase too.
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Fighting emerging infectious diseases costs billions of dollars, as the AIDS pandemic and the recent Ebola epidemic in West Africa attest.
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In the days after the shooting, Pulse regulars attested to having seen Omar in the club in the past.
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A: As my readers can all attest to, prefab houses are clearly not boxy and boring.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'attest'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of attest
Middle French attester, from Latin attestari, from ad- + testis witness — more at testament
Synonym Discussion of attest
ATTEST Defined for English Language Learners
attest
playDefinition of attest for English Language Learners
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: to show, prove, or state that something is true or real
ATTEST Defined for Kids
attest
playDefinition of attest for Students
attested
;attesting
: to show or give proof of : say to be true I can attest to his innocence.
Law Dictionary
Origin and Etymology of attest
Latin attestari, from ad to + testari to call to witness, from testis witness
Learn More about attest
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Thesaurus: All synonyms and antonyms for attest Spanish Central: Translation of attest Nglish: Translation of attest for Spanish speakers Britannica English: Translation of attest for Arabic speakers
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