31 synonyms for demonstrated such as certified, authenticated, and authenticated. Demonstrated is an adjective, and its antonyms are withheld and disproved.
Authenticated, Authenticated, Certified, Clarified, Confirmed, Corroborated, Delineated, Displayed, Established, Evoked, Exemplified, Exhibited, Exposed, Expressed, Highlighted, Illustrated, Indicated, Manifested, Outlined, Portrayed, Presented, Proclaimed, Proven, Revealed, Showed, Signified, Specifically shown, Substantiated, Testified, and Validated.