Validation Validation synonyms substantiation validation and substantiation proof validation and proof confirmation validation and confirmation corroboration validation and corroboration attestation validation and attestation evidence validation and evidence verification validation and verification affirmation validation and affirmation approval validation and approval authentication validation and authentication Full list of synonyms (360) Validation antonyms disproof validation and disproof invalidation validation and invalidation opposition validation and opposition disagreement validation and disagreement veto validation and veto rejection validation and rejection refusal validation and refusal dissension validation and dissension disapproval validation and disapproval denial validation and denial Full list of antonyms (21) Share this picture Share this image Share this picture Share this image
