Origin: 1300–50; Middle English confessen < Anglo-French, Old French confesser < Medieval Latin confessāre, verbal derivative of Latin confessus, past participle of confitērī to admit, confess, equivalent to con-con- + -fitērī, combining form of fatērī to admit
to make an acknowledgment or admission (of faults, misdeeds, crimes, etc)
2.
(tr) to admit or grant to be true; concede
3.
chieflyChristianity, RC Church to declare (one's sins) to God or to a priest as his representative, so as to obtain pardon and absolution
[C14: from Old French confesser, from Late Latin confessāre, from Latin confessus confessed, from confitērī to admit, from fatērī to acknowledge; related to Latin fārī to speak]
late 14c., from O.Fr. confesser, from L. confessus, pp. of confiteri "to acknowledge," from com- "together" + fatus, pp. of fateri "to admit," akin to fari "speak" (see fame). Its original religious sense was of one who avows his religion in spite of persecution or danger but