Verb
-
establish or verify the usage of
"This word is not attested until 1993"
-
give testimony in a court of law
- take the stand - bear witness -
authenticate, affirm to be true, genuine, or correct, as in an official capacity
"I attest this signature"
-
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"