verb val·i·date \ ˈva-lə-ˌdāt \
Updated on: 14 Feb 2018

Definition of validate

validated; validating
transitive verb
1 a : 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
2 a : 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


play \ˈva-lə-ˌdā-tər\ noun

Examples of validate in a Sentence

  1. The court validated the contract.

  2. A judge still needs to validate the election.

  3. Customs officers validated our passports.

  4. The decline in sales only validated our concerns.

Recent Examples of validate from the Web

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.

Origin and Etymology of 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

Synonym Discussion of 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

VALIDATE Defined for Kids


verb val·i·date \ ˈva-lə-ˌdāt \

Definition of validate for Students

validated; validating
1 : to have legal force or effect
2 : to prove to be true, worthy, or justified

Law Dictionary


transitive verb val·i·date \ ˈva-lə-ˌdāt \

legal Definition of validate

validated; validating
1 a : to make valid
b : to grant official sanction to by marking
2 : to confirm the validity of (an election)


play \ˌva-lə-ˈdā-shən\ noun

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