Dictionary.com
Thesaurus.com
Synonyms

attest

American  
[uh-test] / əˈtɛst /

verb (used with object)

  1. 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.

  2. to give proof or evidence of; manifest.

    His works attest his industry.

  3. 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.

  4. to put on oath.


verb (used without object)

  1. to testify or bear witness (often followed byto ).

    to attest to the reliability of an employee.

noun

  1. Archaic. witness; testimony; attestation.

attest British  
/ ˌætɛˈsteɪʃən, əˈtɛst /

verb

  1. (tr) to affirm the correctness or truth of

  2. to witness (an act, event, etc) or bear witness to (an act, event, etc) as by signature or oath

  3. (tr) to make evident; demonstrate

    his life of luxury attests his wealth

  4. (tr) to provide evidence for

    the marks in the ground attested the presence of a fossil

"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

Other Word Forms

  • attestable adjective
  • attestant noun
  • attestation noun
  • attestator noun
  • attester noun
  • attestive adjective
  • attestor noun
  • reattest verb (used with object)
  • unattested adjective
  • well-attested adjective

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” ( testis ( def. ) )

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.

Although some have decried Minnesota nice as a myth or a tourism marketing tactic, I can attest that this stereotype has strong roots in reality.

From Salon

But as a generation of buyers can attest, these hard-revving little gassers suffered a host of maintenance, reliability and durability issues.

From The Wall Street Journal

Carmakers will need to attest to the U.S. government that, as of March 17, core elements of their products don’t contain code that was written in China or by a Chinese company.

From The Wall Street Journal

But other times, the children had known love and lost it, and as the boy himself had attested, that hole where love had once lived was immense.

From Literature

And the platform kept drawing users, who now had to attest that they weren’t from the U.S.

From The Wall Street Journal