Rebate (noun)

1. A reduction in the amount of a payment.
2. A return of a part of the payment made.
3. An amount of money that is returned to the payer, usually as a discount or incentive.

Origin:

The word "rebate" comes from the latin word "rebatere" which means "to beat back" or "to strike back", which came into use in the 16th century. it was later used in a financial context to describe a reduction in a payment or return of a part of a payment made.

Examples:

1. She received a rebate on her taxes for having solar panels installed.
2. The company offered a rebate to customers who purchased multiple items.
3. The customer is eligible for a rebate if they return the product within 30 days.
4. The government offered a rebate on the purchase of electric cars.
5. The purchase came with a rebate for future purchases.