- to bear witness to; certify; declare to be correct, true, or genuine; declare the truth of, in words or writing, especially affirm in an official capacity: to attest the truth of a statement.
- to give proof or evidence of; manifest: His works attest his industry.
- 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.
Origin of attest
1590–1600; (< Middle French attester) < Latin attestārī to bear witness to, equivalent to at- at- + testārī (test(is) a witness + -ā- thematic vowel + -rī infinitive suffix)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for attest
Survivors of Ebola, as thousands in West Africa can attest to, can—and often do—make a full recovery.The Sham, Scaremongering Guide to Ebola
November 20, 2014
Her father can attest to that, having seen her in action in a Brooklyn courtroom.For Next AG, Obama Picks a Quiet Fighter With a Heavy Punch
November 8, 2014
Anyone familiar with the events of four years ago can attest to that.The Decision 2: LeBron James Trolls the World… Again
July 11, 2014
And as any resident of Florida, Colorado, or Ohio can attest, there was no shortage of ads or direct mail.Speed Read: Kenneth Vogel’s ‘Big Money’ Shows How PACs Control Politics
June 9, 2014
No family is perfect and certainly Jeb can attest to that, but a rough national campaign means old baggage gets repacked.5 Reasons Why Republicans Should Say No to Jeb 2016
April 1, 2014
Nor is there any year of his life when his work does not attest a clear eye and a firm hand.
And thus it long remained, as if to attest the true level of Holbein's genius.
But come, let us attest the gods; for they will be the best witnesses and observers of agreements.
The sympathy was largely genuine, as Hartley could attest, but it bored the invalid.Wayside Courtships
All attest that in Dreamland there is no such thing as repose.The World I Live In
- (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; demonstratehis life of luxury attests his wealth
- (tr) to provide evidence forthe marks in the ground attested the presence of a fossil
C16: from Latin attestārī to prove, from testārī to bear witness, from testis a witness
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
Word Origin and History for attest
Online Etymology Dictionary, © 2010 Douglas Harper