Noah Webster
Repay
REPA'Y, verb transitive
1. To pay back; to refund; as, to repay money borrowed or advanced.
2. To make return or requital; in a good or bad sense; as, to repay kindness; to repay an injury.
Benefits which cannot be repaid - are not commonly found to increase affection.
3. To recompense, as for a loss.
4. To compensate; as false honor repaid in contempt.