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.

They also intend to validate their models using larger and more diverse patient groups, as well as investigate whether these biomarkers could help predict additional related diseases in the future.

From Science Daily • Apr. 4, 2026

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

From MarketWatch • Mar. 19, 2026

U.S. pharmaceutical companies with long-standing ties to Chinese providers may need three to five years to transfer technology and validate new suppliers.

From The Wall Street Journal • Mar. 13, 2026

Backing this view are numerous scientific papers, including a peer-reviewed study where IBM and university researchers created a previously unknown molecule and used a quantum computer to validate its physical properties.

From Barron's • Mar. 12, 2026

Annie looked to the side, like there was somebody else who could validate Luke’s weirdness.

From "We'll Fly Away" by Bryan Bliss

Vocabulary lists containing validate

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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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