Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb attest

4 senses of attest

Sense 1
attest, certify, manifest, demonstrate, evidence -- (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")
       => testify, bear witness, prove, evidence, show -- (provide evidence for; "The blood test showed that he was the father"; "Her behavior testified to her incompetence")

Sense 2
attest -- (authenticate, affirm to be true, genuine, or correct, as in an official capacity; "I attest this signature")
       => affirm, verify, assert, avow, aver, swan, swear -- (to declare or affirm solemnly and formally as true; "Before God I swear I am innocent")

Sense 3
testify, attest, take the stand, bear witness -- (give testimony in a court of law)
       => declare -- (state emphatically and authoritatively; "He declared that he needed more money to carry out the task he was charged with")

Sense 4
attest -- (establish or verify the usage of; "This word is not attested until 1993")
       => show -- (give evidence of, as of records; "The diary shows his distress that evening")