atonement [əˈtəʊnmənt]
n
1. satisfaction, reparation, or expiation given for an injury or wrong
2. (Christian Religious Writings / Theology) (often capital) Christian theol
a. the reconciliation of man with God through the life, sufferings, and sacrificial death of Christ
b. the sufferings and death of Christ
[from Middle English phrase at onement in harmony] The Free Dictionary.