refund
1. [ noun ] (business) money returned to a payer
Related terms: payment rebate
2. [ verb ] pay back
Synonyms: repay return give_back
Examples:

"Please refund me my money"

Related terms: pay restore reimburse repayment
3. [ noun ] (business) the act of returning money received previously
Synonyms: repayment
Related terms: payment requite
Similar spelling:   rebound
  repand
  rebind
  Reppond