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Substantiating has 12 synonyms. The top synonyms for substantiating are collateral, confirmative, confirmatory, confirming, corroborative, corroboratory, substantiative, supportive and 4 more. Another word for substantiating is collateral. Browse the full list below.
| Length
| Random | DefinitionA common synonym for substantiating is collateral. Other synonyms include confirmative, confirmatory, confirming, corroborative.
Substantiating has 12 synonyms listed on Thesaurasize.
(adj): serving to support or corroborate
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