alternate, amend, atone, avenge, bandy, be quits with, change, commute, compensate, compensate for, content, cooperate, correct, counterchange, emend, exchange, get back at, get even with, get satisfaction, give and take, give satisfaction, indemnify, interchange, kick back, logroll, make all square, make amends, make good, make reparation, make requital, make restitution, make retribution, make right, make up for, make up to, pay, pay back, pay damages, pay in kind, pay off, pay reparations, permute, put right, put straight, put to rights, quit, reciprocate, recompense, recoup, rectify, redress, refund, reimburse, remedy, remunerate, repay, respond, respond to, retaliate, return, return the compliment, revenge, reward, right, satisfy, set right, set straight, set to rights, set up, square, swap, switch, trade, transpose
interchange, exchange, counterchange, bandy, transpose, shuffle, change bands, swap, permute, reciprocate, commute, give and take, return the compliment, play at puss in the corner, play at battledore and shuttlecock, retaliate, requite
, rearrange, recombine.
reward, recompense, repay, requite
, remunerate, munerate, compensate, fee, pay one's footing, make amends, indemnify, atone, satisfy, acknowledge, get for one's pains, reap the fruits of, tip.
be grateful, thank, give thanks, render thanks, return thanks, offer thanks, tender thanks, acknowledge, requite
, feel under an obligation, be under an obligation, lie under an obligation, savoir gr_e, not look a gift horse in the mouth, never forget, overflow with gratitude, thank one's stars, thank one's lucky stars, bless one's stars, fall on one's knees.