ROGET THESAURUS
pay up
Payment
VB
pay, defray, make payment, paydown, pay on the nail, pay ready money, pay at sight, pay in advance, cash, honor a bill, acknowledge, redeem, pay in kind, pay one's way, pay one's shot, pay one's footing, pay the piper, pay sauce for all, pay costs, do the needful, shell out, fork out, cough up, fork over, come down with, come down with the dust, tickle the palm, grease the palm, expend, put down, lay down, discharge, settle, quit, acquit oneself of, foot the bill, account with, reckon with, settle with, be even with, be quits with, strike a balance, settle accounts with, balance accounts with, square accounts with, quit scores, wipe off old scores, clear off old scores, satisfy, pay in full, satisfy all demands, pay in full of all demands, clear, liquidate,
pay up, pay old debts, disgorge, make repayment, repay, refund, reimburse, retribute, make compensation, pay by credit card, put it on the plastic.