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Synonyms

verification

American  
[ver-uh-fi-key-shuhn] / ˌvɛr ə fɪˈkeɪ ʃən /

noun

  1. the act of verifying.

  2. the state of being verified.

  3. evidence that establishes or confirms the accuracy or truth of something.

    We could find no verification for his fantastic claims.

  4. a formal assertion of the truth of something, as by oath or affidavit.

  5. the process of research, examination, etc., required to prove or establish authenticity or validity.

  6. Law. a short confirmatory affidavit at the end of a pleading or petition.


verification British  
/ ˌvɛrɪfɪˈkeɪʃən /

noun

  1. establishment of the correctness of a theory, fact, etc

  2. evidence that provides proof of an assertion, theory, etc

  3. law

    1. (formerly) a short affidavit at the end of a pleading stating the pleader's readiness to prove his assertions

    2. confirmatory evidence

"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

Derived Forms

Etymology

Origin of verification

1515–25; < Medieval Latin vērificātiōn (stem of vērificātiō ), equivalent to vērificāt ( us ) (past participle of vērificāre; see verify, -ate 1) + -iōn- -ion

Explanation

Verification is an extra or final bit of proof that establishes something is true. To verify something is to make sure it's correct or true, so verification is an action that establishes the truth of something. Checking an ID is a verification of your age. Your bank will often ask for part of your social security number as verification of your identity. Scientists do research to establish verification for their theories. In all cases, verification is like a stamp of approval.

Keep Reading on Vocabulary.com

Vocabulary lists containing verification

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.

Platform owner Elon Musk previously touted changes to the verification badge as "the only realistic way to address advanced AI bot swarms taking over" after buying Twitter.

From BBC • Jun. 9, 2026

Legislative proposals range from mandatory age verification for games with chat features to bills that would impose national safety standards.

From Barron's • Jun. 7, 2026

Yes, but most income and other eligibility verification rules don’t kick in until 2028.

From The Wall Street Journal • Jun. 2, 2026

Unlike in-person voting, where verification happens upfront, mail-in ballots must be inspected and have signatures verified.

From Los Angeles Times • Jun. 2, 2026

If Darwin were alive today the insect world would delight and astound him with its impressive verification of his theories of the survival of the fittest.

From "Silent Spring" by Rachel Carson

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