Synonyms for authenticate

Synonyms for (verb) authenticate

Synonyms: authenticate

Definition: establish the authenticity of something

Similar words: demonstrate, manifest, attest, certify, evidence

Definition: provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes

Usage: His high fever attested to his illness; The buildings in Rome manifest a high level of architectural sophistication; This decision demonstrates his sense of fairness