A sacrament in some Christian churches.
Any instrument of self-punishment.
A voluntary self-imposed punishment for a sinful act or wrongdoing. It may be intended to serve as reparation for the act.
To impose penance; to punish.
The death of Christ as a basis for the forgiveness of sin.
The act of propitiating; placation, atonement, similar to expiation but with the added concept of appeasement of anger.