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GRE vocabulary

substantiate

verbHigh-frequency wordMore S words

to provide evidence to support or prove a claim

Word origin: From Latin substantia, substance.

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In a sentence

Substantiate in a sentence

Here are example sentences showing substantiate in a sentence.

She could not substantiate her allegations with any documents.

The journalist could not publish the allegation until a second source could substantiate it.

Synonyms
verifycorroborateconfirm

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Verbal · Text Completion

The committee's report was praised for its candor, yet its central recommendation was so blank that administrators could cite it to justify nearly any policy they had already resolved to pursue.

Select the word that best completes the sentence.

Usage & nuance

Using “substantiate” well

Substantiate means to provide evidence that supports or proves a claim. It is about backing an assertion with proof, not merely asserting it more firmly.

Common questions

Questions about “substantiate”

Substantiate (verb) means to provide evidence to support or prove a claim
Here is substantiate used in an example sentence: "She could not substantiate her allegations with any documents." Another example: "The journalist could not publish the allegation until a second source could substantiate it."
Common synonyms for substantiate include verify, corroborate, confirm.
Antonyms of substantiate include disprove, refute.
Clusters with verify, corroborate, and confirm in Sentence Equivalence. Its antonyms disprove and refute mark the opposite act of demonstrating falsity.
Yes. Substantiate is a high-frequency GRE word, so it is worth prioritising as you build your vocabulary.

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