reconciliation

Short definition from Wiktionary

Noun

1. 1
   The re-establishment of friendly relations; conciliation, rapprochement.
2. 2
   The process of comparing and resolving apparent differences between sets of accounting records, or between accounting records and bank statements, receipts, etc.
3. 3
   Religious senses: The end of estrangement between a human and God as a result of atonement.
4. 4
   Religious senses: The reconsecration of a desecrated church or other holy site.
5. 5
   Religious senses: Admission of a person to membership of the church, or readmission after the person has previously left the church.
6. 6
   Religious senses: Ellipsis of sacrament of reconciliation (“a sacrament (sacred ritual) also called confession, involving contrition by a person, confessing sins to a priest, penance performed by the person, and absolution granted by the priest”).
7. 7
   The process of systemically atoning for the crimes and broken promises that a nation has historically committed against indigenous people.