Payable (adjective)

1. Able to be paid, in reference to a debt or an invoice.
2. Requiring payment, in reference to an obligation or a responsibility.
3. Awaiting payment, in reference to a financial transaction or an account.

Origin:

From the verb pay, meaning the act of giving money in exchange for goods or services, which comes from the old english word paegian (to pacify or make peace).

Examples:

1. The invoice is payable within 30 days.
2. The rent is payable on the first of every month.
3. The debt is payable in full within 90 days.
4. The bill is payable in cash or credit card.
5. The account is payable on demand.