1. (a.) Pertaining to penitence or expressing penitence; as, the penitential book; penitential tears\.

2. (n.) A book formerly used by priests hearing confessions, containing rules for the imposition of penances; -- called also penitential book.

abject amendatory apologetic ascetic atoning balancing cleansing compensating compensational compensatory compunctious contrite counteracting counteractive counterbalancing countervailing expiatory humble humbled indemnificatory lustral lustrational lustrative melted offsetting penitent penitentiary piacular propitiatory purgative purgatorial purifying reclamatory recompensing recompensive rectifying redeeming redemptive redressing regretful reparative reparatory repentant repenting restitutional restitutive restitutory retaliatory righting satisfactional sheepish softened sorry squaring touched