validate

[val-i-deyt] / ˈvæl ɪˌdeɪt /

VERB

ascertain the truth, authenticity of something

Synonyms

STRONGEST

approve certify confirm corroborate endorse justify legalize legitimize ratify substantiate verify

STRONG

authenticate authorize constitute okay sanction

WEAK

John Hancock bear out give stamp of approval give the go-ahead give the green light give the nod make binding make legal make stick rubber-stamp set seal on sign off on

Antonyms

STRONGEST

contradict deny disagree disallow disapprove discredit disprove invalidate oppose refuse reject repudiate veto

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.

To validate the approach, researchers used 352 urine samples that had already been collected during routine testing at Basingstoke and North Hampshire Hospital.

From Science Daily • Mar. 31, 2026

After 2040, the Chinese lunar base will be used to "validate technology and capabilities for a manned mission to Mars", according to the CNSA.

From Barron's • Mar. 26, 2026

You’re just there to witness their grief and validate their emotions.

From MarketWatch • Mar. 19, 2026

Working initially from a friend’s basement, the team sought to validate their AI models by predicting elections.

From The Wall Street Journal • Mar. 11, 2026

I know that in Ms. Rucker’s eyes no excuse could validate such a miserable attempt at the homework.

From "The Running Dream" by Wendelin Van Draanen

Vocabulary lists containing validate

The SAT: Language of the Test, List 2

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The New SAT: The Language of the Test

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The ACT: The Language of the Test, List 3

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