val·​i·​date | \ˈva-lə-ˌdāt \
validated; validating

Definition of validate 

transitive verb

1a : to make legally valid : ratify

b : to grant official sanction to by marking validated her passport

c : to confirm the validity of (an election) also : to declare (a person) elected

2a : to support or corroborate on a sound or authoritative basis experiments designed to validate the hypothesis

b : to recognize, establish, or illustrate the worthiness or legitimacy of validate his concerns

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Other Words from validate

validator \ˈva-​lə-​ˌdā-​tər \ noun

Synonyms & Antonyms for validate


demonstrate, document, establish, prove, substantiate


disprove, rebut, refute

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Choose the Right Synonym for validate

confirm, corroborate, substantiate, verify, authenticate, validate mean to attest to the truth or validity of something. confirm implies the removing of doubts by an authoritative statement or indisputable fact. confirmed the reports corroborate suggests the strengthening of what is already partly established. witnesses corroborated his story substantiate implies the offering of evidence that sustains the contention. the claims have yet to be substantiated verify implies the establishing of correspondence of actual facts or details with those proposed or guessed at. all statements of fact in the article have been verified authenticate implies establishing genuineness by adducing legal or official documents or expert opinion. handwriting experts authenticated the diaries validate implies establishing validity by authoritative affirmation or by factual proof. validated the hypothesis by experiments

Examples of validate in a Sentence

The court validated the contract. A judge still needs to validate the election. Customs officers validated our passports. The decline in sales only validated our concerns.
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Recent Examples on the Web

But on Tuesday, voters could validate what Republicans are doing. German Lopez, Vox, "The right to vote is under siege in 2018," 6 Nov. 2018 Zoe's text to Kevin validates Beth's concerns from episode 1. Eileen Reslen, Good Housekeeping, "The Important Things You Missed During 'This Is Us' Last Night," 3 Oct. 2018 The Opening has become the validating factor among high school football’s elite. Chris Hays,, "It's all business for Wekiva CB, FSU commit Renardo Malcom Green," 30 June 2018 Match is also hoping the court will issue declaratory judgments validating its patents and Bumble’s alleged infringement of them, which are involved in its original lawsuit from March. Makena Kelly, The Verge, "Bumble is slowly backing off on its $400 million lawsuit against Match Group," 2 Nov. 2018 For many, diagnosis is validating and/or leads to self-understanding. Alice Bolin, Longreads, "The Daughter as Detective," 26 June 2018 Now, corporate sponsorship has become a validating force in popland, where artists are routinely praised for thinking of themselves as brands. Chris Richards,, "The 5 hardest questions in pop music," 3 July 2018 County clerks are counting and validating the signatures. David Staats, idahostatesman, "Who is shaping today's Treasure Valley? Here's what six local leaders shared with us | Idaho Statesman," 11 May 2018 The party’s latest target, the Supreme Court, is tasked with validating election results. Kristen Chick, The Christian Science Monitor, "By staying on the job, Poland's top judge fights the right-wing government," 13 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'validate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of validate

1648, in the meaning defined at sense 1a

History and Etymology for validate

borrowed from Medieval Latin validātus, past participle of validāre "to make valid," derivative of Latin validus "in good health, having legal authority" — more at valid

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Statistics for validate

Last Updated

4 Dec 2018

Look-up Popularity

Time Traveler for validate

The first known use of validate was in 1648

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More Definitions for validate


val·​i·​date | \ˈva-lə-ˌdāt \
validated; validating

Kids Definition of validate

1 : to have legal force or effect

2 : to prove to be true, worthy, or justified


transitive verb
val·​i·​date | \ˈva-lə-ˌdāt \
validated; validating

Legal Definition of validate 

1a : to make valid

b : to grant official sanction to by marking

2 : to confirm the validity of (an election)

Other Words from validate

validation \ˌva-​lə-​ˈdā-​shən \ noun

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More from Merriam-Webster on validate

Rhyming Dictionary: Words that rhyme with validate

Thesaurus: All synonyms and antonyms for validate

Spanish Central: Translation of validate

Nglish: Translation of validate for Spanish Speakers

Britannica English: Translation of validate for Arabic Speakers

Comments on validate

What made you want to look up validate? Please tell us where you read or heard it (including the quote, if possible).


the figure or shape of a crescent moon

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