affirm to

authenticate, affirm to be true, genuine, or correct, as in an official capacity v

show by one's behavior, attitude, or external attributes v authenticate, affirm to be true, genuine, or correct, as in an official capacity v give testimony in a court of law v establish or verify the usage of

show or affirm to be just and legitimate v

v make legal v show or affirm to be just and legitimate v make (an illegitimate child) legitimate