Pro*pi`ti*a"tion (?), n. [L. propitiatio: cf. F. propitiation.]

1. The act of appeasing the wrath and conciliating the favor of an offended person; the act of making propitious.

2. (Theol.) That which propitiates; atonement or atoning sacrifice; specifically, the influence or effects of the death of Christ in appeasing the divine justice, and conciliating the divine favor.

He [Jesus Christ] is the propitiation for our sins.