1. [verb] To affirm to be correct, true, or genuine.
2. [verb] To certify by signature or oath
3. [verb] To certify in an official capacity.
4. [verb] To supply or be evidence of
5. [verb] To put under oath.
6. [verb] To call to witness; to invoke.
7. [verb] 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'.
8. [verb] Authenticate, affirm to be true, genuine, or correct, as in an official capacity; 'I attest this signature'.
9. [verb] Give testimony in a court of law.
10. [verb] Establish or verify the usage of; 'This word is not attested until 1993'.
