feeling or expressing sorrow for sin or wrongdoing and disposed to atonement and amendment; repentant; contrite.

a penitent person.

Roman Catholic Church . a person who confesses sin and submits to a penance.

adjective

happy , unashamed , unrepentent , impenitent , incontrite

adjective

abject , apologetic , atoning , attritional , compunctious , conscience-stricken , contrite , penitential , regretful , remorseful , repentant , rueful , sorry , atoner , ruer , shamed , sinner