condonation

noun | \ ˌkän-də-ˈnā-shən \ | con·do·na·tion
  1. : voluntary overlooking or pardon of an offense; specifically : express or implied and usually conditional forgiveness of a spouse's marital wrong (as adultery or cruelty) : express or implied and usually conditional forgiveness of a spouse's marital wrong (as adultery or cruelty)