Thesaurus

substantiate

Synonyms and Antonyms of substantiate

1 to gain full recognition or acceptance of

  • substantiated his claim to local mountaineering fame with a photo of himself on the summit of Mount McKinley
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2 to give evidence or testimony to the truth or factualness of

  • Mr. MacGregor couldnʼt substantiate that it was Peter, and not some other rabbit, in the cabbage patch
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3 to represent in visible form

  • the artistʼs intense feelings are substantiated by his paintingsʼ bold colors and broad brush strokes
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4 to show the existence or truth of by evidence

  • substantiate the need for a tuition increase with some concrete figures
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5 to provide evidence or information for (as a claim or idea)

  • Darwin spent the rest of his life gathering evidence to substantiate his theory of the origin of species
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Synonym Discussion of substantiate

confirm, corroborate, substantiate, verify, authenticate, validate mean to attest to the truth or validity of something. confirm implies the removing of doubts by an authoritative statement or indisputable fact.
    • confirmed the reports
corroborate suggests the strengthening of what is already partly established.
    • witnesses corroborated his story
substantiate implies the offering of evidence that sustains the contention.
    • the claims have yet to be substantiated
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
authenticate implies establishing genuineness by adducing legal or official documents or expert opinion.
    • handwriting experts authenticated the diaries
validate implies establishing validity by authoritative affirmation or by factual proof.
    • validated the hypothesis by experiments


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