Definitions

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.

Miners use specialized computers to validate transactions and earn newly minted bitcoin and transaction fees, making their businesses highly sensitive to bitcoin prices, electricity costs and the efficiency of their machines.

From MarketWatch • Apr. 9, 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

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

He believes that, over time, neuroscience will be able to validate some of the benefits of such an experience.

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

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!