Answer: payback

AnswerCrossword Clue
PAYBACKMake good on
PAYBACKRetaliate
PAYBACKSquare up
PAYBACKRetaliate; avenge
PAYBACKRetribution
PAYBACKRevenge
paybackAn act of revenge or retaliation
paybackFinancial return or reward, esp. profit equal to the initial outlay of an investment
paybackan act of revenge