propitiation

/P R AH0 P IH1 SH IY0 EY1 SH AH0 N/
noun
  1. 1

    The act of propitiating; placation, atonement, similar to expiation but with the added concept of appeasement of anger.

  2. 2

    The death of Christ as a basis for the forgiveness of sin.

Source: https://en.wiktionary.org/wiki/propitiation