alternate, atone, bandy, be quits with, change, commute, compensate, cooperate, counterchange, cover, do penance, exchange, expiate, fill up, get back at, get even with, get satisfaction, give and take, give satisfaction, indemnify, interchange, kick back, logroll, make amends, make compensation, make good, make reparation, make requital, make restitution, make retribution, make up for, make up to, pay, pay damages, pay in kind, pay off, permute, quit, reciprocate, recompense, recoup, rectify, redress, refund, reimburse, repay, requite, respond, retaliate, return, return the compliment, reward, set right, square, swap, switch, trade, transpose