rebate

[1]	discount , reduce , deduct , mark down , refund , repay , kick back

[1]	discount , discount , reduction , deduction , allowance , mark-down , cut-back , refund , repayment , (Colloq) (US) rake-off
[2]	kickback , rabbet , percentage , rake-off , commission , cut , bribe , graft , (Colloq) (Mainly US) payola , (US) plugola