THESAURUS
lustral
abstergent, apologetic, ascetic, atoning, cathartic, cleaning, cleansing, compensational, compensatory, depurative, detergent, diuretic, emetic, expiatory, expurgatory, lustrational, lustrative, penitential, piacular, propitiatory, purgative, purgatorial, purging, purificatory, purifying, reclamatory, recompensing, redeeming, redemptive, redressing, reparative, reparatory, repentant, repenting, restitutional, restitutive, restitutory, righting, satisfactional, squaring