Synonyms:
attest, certify, manifest, demonstrate, evidence
Meaning: provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes; "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"
Synonyms:
attest
Meaning: authenticate, affirm to be true, genuine, or correct, as in an official capacity; "I attest this signature"