to bear witness to; certify; declare to be correct, true, or genuine; declare the truth of, in words or writing, especially to affirm in an official capacity: to attest the truth of a statement.
to give proof or evidence of; manifest: His works attest his industry.
Linguistics. to give evidence of the existence of (a word, phrase, usage, etc.), especially in writing:The plural form is attested in ancient texts.The dictionary attests this meaning as early as 1890.
to put on oath.
to testify or bear witness (often followed by to): to attest to the reliability of an employee.
Archaic. witness; testimony; attestation.
- at·test·a·ble, adjective
- at·test·ant, noun
- at·test·er, at·tes·tor, at·tes·ta·tor [uh-tes-tey-ter, at-e-stey-], /əˈtɛs teɪ tər, ˈæt ɛˌsteɪ-/, noun
- at·tes·tive, adjective
- re·at·test, verb (used with object)
- un·at·test·ed, adjective
- well-at·test·ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use attest in a sentence
My note attesting to his mental health was framed on his wall.
The Arabs whose shacks are being demolished have documents attesting title to their land.
And a crisis it is, with every major European leader attesting to just that.
Donna Marina, having secured a forged affidavit attesting to her pure blood, followed her husband to Mexico.
It is soul-travail like His, attesting love like His; that wins all the victories in which He can rejoice.Expositor's Bible: The Second Epistle to the Corinthians | James Denney
That their bearing, one and all, was truly noble, friends and foes took pride in attesting.The Felon's Track | Michael Doheny
I must tell you that the tally attesting attendance is worth five shillings, the old crown-piece.The Immortal | Alphonse Daudet
A testimonial from my father attesting my capacity for the curriculum procured me matriculation without difficulty.Autobiography of Friedrich Froebel | Friedrich Froebel
A part of the obligations assumed by the members of this Legion shows why it is thus pursued, while also attesting its innocence.Charles Sumner; his complete works, volume 5 (of 20) | Charles Sumner
British Dictionary definitions for attest
(tr) to affirm the correctness or truth of
(when intr, usually foll by to) to witness (an act, event, etc) or bear witness to (an act, event, etc) as by signature or oath
(tr) to make evident; demonstrate: his life of luxury attests his wealth
(tr) to provide evidence for: the marks in the ground attested the presence of a fossil
- attestable, adjective
- attestant, attester, esp law attestor or attestator, noun
- attestation (ˌætɛˈsteɪʃən), noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012