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.

The Democratic influencer said she contacted the content creator Arielle Fodor, known online as Mrs. Frazzled, to validate others’ claims, with no intention of going public about her own story.

From The Wall Street Journal • Apr. 16, 2026

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

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

Neither firm responded to my questions about the demographics of their customer base, the problem of insider trading, or my request for them to validate their claims of accuracy.

From Los Angeles Times • Mar. 12, 2026

It would also validate this emerging field of study.

From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel

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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