SUBSTANTIATE Definition Meaning - Merriam-Webster 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 corroborate suggests the strengthening of what is already partly established
substantiation noun - Definition, pictures, pronunciation and usage . . . information or evidence that proves that something is true Journalists should not make accusations without some substantiation Definition of substantiation noun in Oxford Advanced Learner's Dictionary Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more