attested (Adjective) — Established as genuine. ex. "Governments and organizations sometimes require that foreign documents be attested before they will accept them"
attested (Verb) — Provide evidence for; stand as proof of; show by one's behaviour, attitude, or external attributes. ex. "His high fever attested to his illness"
attested (Verb) — Authenticate, affirm to be true, genuine, or correct, as in an official capacity. ex. "I attest this signature"
attested (Verb) — (law) give testimony in a court of law.
attested (Verb) — Establish or verify the usage of. ex. "This word is not attested until 1993"