repay
Definitions
To pay back money owed to someone.
To take action in return for a favor, service, or injury.
To reward or requite someone for an action.
Examples
I will repay the money I borrowed from you by the end of the week.
She worked hard to repay the kindness her neighbors showed her during her illness.
Synonyms
compensate reimburse remunerate requite settle reciprocate refund