expiate

expiate is a Verb

Definition:

[1] To extinguish the guilt of by sufferance of penalty or some equivalent; to make complete satisfaction for; to atone for; to make amends for; to make expiation for; as, to expiate a crime, a guilt, or sin. To expiate his treason, hath naught left. Milton. The Treasurer obliged himself to expiate the injury. Clarendon.

[2] To purify with sacred rites. [Obs.] Neither let there be found among you any one that shall expiate his son or daughter, making them to pass through the fire. Deut. xviii. 10 (Douay version)