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Substantiate has 63 synonyms. The top synonyms for substantiate are adduce, affirm, anatomize, assay, atomize, attest, authenticate, back up and 55 more. Another word for substantiate is adduce. Browse the full list below.
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| Random | DefinitionA common synonym for substantiate is adduce. Other synonyms include affirm, anatomize, assay, atomize.
Substantiate has 63 synonyms listed on Thesaurasize.
(v): to verify something by supplying evidence; to corroborate or authenticate; to give material form or substance to something; to embody
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