VALIDATE Synonyms: 66 Similar and Opposite Words

Q: How does the verb 'validate' contrast with its synonyms?

Some common synonyms of validate are authenticate , confirm , corroborate , substantiate , and verify . While all these words mean "to attest to the truth or validity of something," validate implies establishing validity by authoritative affirmation or by factual proof. // validated the hypothesis by experiments

Q: When might 'authenticate' be a better fit than 'validate'?

Although the words authenticate and validate have much in common, authenticate implies establishing genuineness by adducing legal or official documents or expert opinion. // handwriting experts authenticated the diaries

Q: In what contexts can 'confirm' take the place of 'validate'?

While the synonyms confirm and validate are close in meaning, confirm implies the removing of doubts by an authoritative statement or indisputable fact. // confirmed the reports

Q: When would 'corroborate' be a good substitute for 'validate'?

While in some cases nearly identical to validate , corroborate suggests the strengthening of what is already partly established. // witnesses corroborated his story

Q: Where would 'substantiate' be a reasonable alternative to 'validate'?

The synonyms substantiate and validate are sometimes interchangeable, but substantiate implies the offering of evidence that sustains the contention. // the claims have yet to be substantiated

Q: When is 'verify' a more appropriate choice than 'validate'?

The meanings of verify and validate largely overlap; however, 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

validate

verb

ˈva-lə-ˌdāt

Definition of validate

as in to verify

to give evidence or testimony to the truth or factualness of a witness independently validated the policeman's version of events

Synonyms & Similar Words

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Antonyms & Near Antonyms

as in to prove

to show the existence or truth of by evidence the booming economy in and of itself validated the soundness of the government's economic policies

Synonyms & Similar Words

Antonyms & Near Antonyms

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How does the verb validate contrast with its synonyms?

Some common synonyms of validate are authenticate, confirm, corroborate, substantiate, and verify. While all these words mean "to attest to the truth or validity of something," validate implies establishing validity by authoritative affirmation or by factual proof.

validated the hypothesis by experiments

When might authenticate be a better fit than validate?

Although the words authenticate and validate have much in common, authenticate implies establishing genuineness by adducing legal or official documents or expert opinion.

handwriting experts authenticated the diaries

In what contexts can confirm take the place of validate?

While the synonyms confirm and validate are close in meaning, confirm implies the removing of doubts by an authoritative statement or indisputable fact.

confirmed the reports

When would corroborate be a good substitute for validate?

While in some cases nearly identical to validate, corroborate suggests the strengthening of what is already partly established.

witnesses corroborated his story

Where would substantiate be a reasonable alternative to validate?

The synonyms substantiate and validate are sometimes interchangeable, but substantiate implies the offering of evidence that sustains the contention.

the claims have yet to be substantiated

When is verify a more appropriate choice than validate?

The meanings of verify and validate largely overlap; however, 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

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of validate Once this is validated, the bag is produced in its finished form. — Joelle Diderich, Footwear News, 16 Oct. 2026 REEPure has been validated at Cyclic Materials’ first commercial-scale plant in Canada, and a South Carolina campus is now under construction. — Richard Eisenberg, Time, 15 Oct. 2026 The letter questioned if the technology would strain air traffic control’s system and what steps the FAA has taken to validate the accuracy and safety of the technology. — Mira Bhakta, The Hill, 14 Oct. 2026 Years ago, a P-pop group on a global stage sounded unrealistic, so a win would validate everyone who built this scene alongside us with fellow artists, producers, creatives, and fans. — Jeff Benjamin, Billboard, 13 Oct. 2026 See All Example Sentences for validate

Recent Examples of Synonyms for validate

Verb

Opponents say Prop 134 takes decision making away from parents and could lead to invasive exams to verify a kid's gender.

— Shaun Boyd, CBS News, 15 Oct. 2026
Unanswered questions The Star has been unable to independently verify that the officer had a green light and the Audi ran the red light, or that the police cruiser had its lights and sirens on.

— Eleanor Nash, Kansas City Star, 15 Oct. 2026

Definition of verify

Verb

The same may not prove true of utility costs where many rate hikes remain pending and a tough winter could cause further spikes.

— Jordan Blum, Fortune, 18 Oct. 2026
And while some of the allegations were never proved, he was convicted of perjury and perverting the course of justice and sentenced to four years in jail.

— The Week UK, TheWeek, 17 Oct. 2026

Definition of prove

Verb

Representatives for Mandell’s family confirmed his death to The Times.

— Anthony Solorzano, Los Angeles Times, 15 Oct. 2026
Netflix staff were informed that the company will undergo significant layoffs Wednesday, a source confirms to The Hollywood Reporter, as the streaming giant seeks a reset amid efforts to keep its global business growing.

— Alex Weprin, HollywoodReporter, 14 Oct. 2026

Definition of confirm

Verb

But a key rationale for eligibility rules is to establish bright-line, predictable rules that should promote fair play and competition, with colleges, coaches and athletes treated similarly in similar situations.

— Michael McCann, Sportico.com, 13 Oct. 2026
Since establishing his label in Paris in 1937, Roger Vivier became known for experimentation with form, materials and heel shapes — a vocabulary creative director Gherardo Felloni continues to mine today.

— Thomas Waller, Footwear News, 13 Oct. 2026

Definition of establish

Verb

The improvement demonstrates how low-noise lasers and high-quality optical resonators can increase rotation sensitivity on a photonic chip.

— Neetika Walter, Interesting Engineering, 15 Oct. 2026
Their accounts demonstrate how AI is blurring the line between what's real and what's fake in the already fraught arena of online dating.

— Mary Cunningham, CBS News, 14 Oct. 2026

Definition of demonstrate

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“Validate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/validate. Accessed 20 Oct. 2026.

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