Proof Proof synonyms substantiation proof and substantiation verification proof and verification evidence proof and evidence validation proof and validation demonstration proof and demonstration confirmation proof and confirmation testimony proof and testimony corroboration proof and corroboration attestation proof and attestation impervious proof and impervious Full list of synonyms (1348) Proof antonyms disproof proof and disproof guess proof and guess theory proof and theory hypothesis proof and hypothesis suspicion proof and suspicion surmise proof and surmise presumption proof and presumption conjecture proof and conjecture assumption proof and assumption charge proof and charge Full list of antonyms (15) Share this picture Share this image Share this picture Share this image