English dictionary, thesaurus, translations & etymology
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verb

substantiate

suhb-STAN-shee-ayt
verb
1
To back up a claim with evidence or proof.
"The journalist could not substantiate the rumor, so she dropped the story."
"Receipts were needed to substantiate the expense claim."

How to Use Substantiate

Learner’s notes

In plain EnglishTo prove something is true by providing solid evidence.

Easily confused with
Common pairings
substantiate a claim substantiate allegations fail to substantiate

Word Forms

substantiated past tense, substantiates singular

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Fill the Gap

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The journalist could not _____ the rumor, so she dropped the story.

Etymology

From Medieval Latin substantiatus, "given substance," first used in English in 1657.

Rhymes for substantiate

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Definitions: FreeDict original editorial