Propitiation

[Sarah]

That which propitiates; atonement or atoning sacrifice;specifically, the influence or effects of the death of Christ inappeasing the divine justice, and conciliating the divine favor.He [Jesus Christ] is the propitiation for our sins. 1 John ii. 2.

[Tracie Lynn]

the act of pleasing and making calm a god or person who is annoyed with you:

[Sarah]

The action of propitiating or appeasing a god, spirit, or person.

[Tina]

Propitiation is the act of appeasing or making well-disposed a deity, thus incurring divine favor or avoiding divine retribution. While some use the term interchangeably with expiation, others draw a sharp distinction between the two. The discussion here encompasses usage only in the Christian tradition.