expiation
noun
[ ɛkspɪˈeɪʃ(ə)n ]
• the act of making amends or reparation for guilt or wrongdoing; atonement.
• "an act of public expiation"
Similar:
atonement,
redemption,
redress,
reparation,
restitution,
recompense,
requital,
purgation,
penance,
amends,