attest
Americanverb (used with object)
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attests,
present (3rd person singular)
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attested,
past participle, past
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attesting
present participle
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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.
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to give proof or evidence of; manifest.
His works attest his industry.
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Linguistics. to give evidence of the existence of (a word, phrase, usage, etc.), especially in writing: The dictionary attests this meaning as early as 1890.
The plural form is attested in ancient texts.
The dictionary attests this meaning as early as 1890.
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to put on oath.
verb (used without object)
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attests,
present (3rd person singular)
-
attested,
past participle, past
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attesting
present participle
noun
verb
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(tr) to affirm the correctness or truth of
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to witness (an act, event, etc) or bear witness to (an act, event, etc) as by signature or oath
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(tr) to make evident; demonstrate
his life of luxury attests his wealth
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(tr) to provide evidence for
the marks in the ground attested the presence of a fossil
Other Word Forms
Derived Forms
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attestantnoun
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attestationnoun
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attestatornoun
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attesternoun
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attestornoun
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reattestverb (used with object)
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attestableadjective
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attestiveadjective
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unattestedadjective
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well-attestedadjective
Inflected Forms
Participles
Conjugated Forms
Present
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attestsimple
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attestssimple
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have attestedperfect
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has attestedperfect
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am attestingprogressive
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are attestingprogressive
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is attestingprogressive
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have been attestingperfect progressive
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has been attestingperfect progressive
Past
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attestedsimple
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had attestedperfect
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was attestingprogressive
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were attestingprogressive
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had been attestingperfect progressive
Future
Etymology
Origin of attest
First recorded in 1590–1600; < Middle French attester, from Latin attestārī “to bear witness to, affirm, confirm” equivalent to at- at- + testārī “to witness” ( see testis ( def. ))
Explanation
To attest is to prove or declare to be true. For example: the fact that you aced the SAT attests to the strength of your vocabulary. Attest and testify come from the same Latin word testari, which means "to declare." Although both words are kind of formal, you often testify in a courtroom, but attest doesn't require a court of law to function. You can attest to anything — that the funny looking shoes toned your thighs, that what someone says is true, or that the new acne medicine really works. To remember it, think of when you pass a test, you attest that you know the material.
Vocabulary lists containing attest
100 SAT Words Beginning with "A"
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Posted
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The Ancient Period, Before 600 BCE
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
We all know recollections may vary, but if he made a fuss about his generosity and happiness for you at your wedding, there will be enough witnesses to attest to the nature of the transaction.
From MarketWatch ● Nov. 2, 2026
Past team-mates for club and country will queue up to attest to his character as a player and a person.
From BBC ● Sep. 21, 2026
None of this is bad on its own, as millions of Sims fans can attest.
From Slate ● Sep. 6, 2026
Tens of thousands of comments on BookTok, a popular book community on TikTok, attest to the popularity of one of Russia's greatest novelists with the social media generation.
From Barron's ● Sep. 4, 2026
In fact, although I couldn’t attest any of it to three decimal places, I had a pretty good notion of the weather conditions generally, on account of I was out in them.
From "A Walk in the Woods" by Bill Bryson
As Yiyun Li’s well-crafted yet somewhat static novel attests, this is nothing new.
From Los Angeles Times ● Oct. 13, 2026
Of course, within those strictures, conservatives may refine and advance as well as conserve, as Mr. Alexander’s score card attests.
From The Wall Street Journal ● Jul. 15, 2026
Shew said he’s only supposed to be given registrations to process if the would-be voter attests they are a U.S. citizen, as federal law requires.
From Salon ● May 14, 2026
"Belen Garijo's brilliant international career attests to her strategic vision and her ability to drive profound and value-creating transformations," board chairman Frederic Oudea said in a statement.
From Barron's ● Feb. 12, 2026
Gorgias’s brother Herodicus is a doctor, and the former attests that when trying to persuade a patient to submit to a course of treatment, his oratory is far more effective than his brother’s medical expertise.
From "Words Like Loaded Pistols" by Sam Leith
Tavitian’s admiration for complexity and technical virtuosity is attested to by many extraordinarily detailed works.
From The Wall Street Journal ● Aug. 29, 2026
They must be segregated from issuer assets, independently attested and subject to federal supervision.
From The Wall Street Journal ● Jun. 2, 2026
His long, productive career encompassed more than six decades, in each of which his live performances and recordings continually attested to his preeminence as one of jazz history’s most vital, innovative and influential artists.
From Los Angeles Times ● May 26, 2026
Imposing “an entirely new command structure,” she attested, would “wreak operational havoc within MPD,” “create tremendous risk for the public,” and “inevitably lead to delays and confusion.”
From Slate ● Aug. 15, 2025
I can never get used to the thousands of antique shops along the roads, all bulging with authentic and attested trash from an earlier time.
From "Travels with Charley in Search of America" by John Steinbeck
A medical letter attesting to your mother’s health might help.
From MarketWatch ● Aug. 27, 2026
The group sent a letter Monday to the Justice Department asking it to file court documents attesting to the fund being dead.
From Los Angeles Times ● Aug. 3, 2026
Even attesting to the Irish that they don’t do any of the banned trade would be a U.S. violation.
From The Wall Street Journal ● Jun. 4, 2026
“Where we don’t have research, clinical trials, what we’ve got a ton of, is, shall we say, testimonials, patient affidavits, attesting to the wonders of the drug,” said Scott Brunner, the alliance’s chief executive officer.
From Salon ● Apr. 4, 2026
Records attesting to his death were pullulating like insect eggs and verifying each other beyond all contendon.
From "Catch-22" by Joseph Heller
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
