(1):

(n.) One under the direction of a confessor.

(2):

(n.) One under church censure, but admitted to penance; one undergoing penance.

(3):

(a.) Feeling pain or sorrow on account of sins or offenses; repentant; contrite; sincerely affected by a sense of guilt, and resolved on amendment of life.

(4):

(a.) Doing penance.

(5):

(n.) One who repents of sin; one sorrowful on account of his transgressions.