(1):
(v. t.) To acknowledge faith in; to profess belief in.
(2):
(v. t.) To make known or acknowledge, as one's sins to a priest, in order to receive absolution; - sometimes followed by the reflexive pronoun.
(3):
(v. t.) To hear or receive such confession; - said of a priest.
(4):
(v. t.) To admit as true; to assent to; to acknowledge, as after a previous doubt, denial, or concealment.
(5):
(v. t.) To make acknowledgment or avowal in a matter pertaining to one's self; to acknowledge, own, or admit, as a crime, a fault, a debt.
(6):
(v. i.) To acknowledge; to admit; to concede.
(7):
(v. t.) To disclose or reveal, as an effect discloses its cause; to prove; to attest.
(8):
(v. i.) To make confession; to disclose sins or faults, or the state of the conscience.