attest.
To affirm to be correct, true, or genuine.
Meaning & usage
To affirm to be correct, true, or genuine.
When will the appraiser attest the date of the painting?
To certify by signature or oath.
You must attest your will in order for it to be valid.
To certify in an official capacity.
To supply or be evidence of.
Her fine work attested her ability.
To put under oath.
To call to witness; to invoke.
Where this word comes from
PIE word *tréyes Borrowed from Middle French attester, from Latin attestor (“to witness to, bear witness”), from at-, combining form of ad (“to”) + testor (“to bear witness”), from testis (“a witness”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.