apologetic
ascetic
atoning
cleansing
compensational
compensatory
expiatory
lustral
lustrational
lustrative
penitential
piacular
propitiatory
purgative
purgatorial
purifying
reclamatory
recompensing
redeeming
redemptive
redressing
reparative
reparatory
repentant
repenting
restitutional
restitutive
restitutory
righting
squaring