Substantiation Substantiation synonyms proof substantiation and proof confirmation substantiation and confirmation validation substantiation and validation verification substantiation and verification evidence substantiation and evidence demonstration substantiation and demonstration testimony substantiation and testimony attestation substantiation and attestation corroboration substantiation and corroboration authentication substantiation and authentication Full list of synonyms (315) Substantiation antonyms disproof substantiation and disproof rebuttal substantiation and rebuttal opposition substantiation and opposition suspicion substantiation and suspicion surmise substantiation and surmise presumption substantiation and presumption guess substantiation and guess conjecture substantiation and conjecture assumption substantiation and assumption charge substantiation and charge Full list of antonyms (13) Share this picture Share this image Share this picture Share this image
