authenticate, affirm to be true, genuine, or correct, as in an official capacity; "I attest this signature"
establish or verify the usage of; "This word is not attested until 1993"
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"
report or maintain; "He alleged that he was the victim of a crime"; "He said it was too late to intervene in the war"; "The registrar says that I owe the school money"
lose clarity or turn aside especially from the main subject of attention or course of argument in writing, thinking, or speaking; "She always digresses when telling a story"; "her mind wanders"; "Don't digress when you give a lecture"