(economics) The amount or portion of a person's or group's expenditures which is used for non-essential or voluntary disbursements; the amount or portion of one's expenditures which one may make as one sees fit.

(economics) Goods and services that are not essential, bought by a customer using discretionary income.

At one's discretion.

At one's discretion.

plural of discretionary spending

plural of discretionary fiscal policy

Of a decision or system: in which one may not use one's discretion; inflexible.

(economics) Disposable income minus all payments necessary to meet current bills.

plural of discretionary income

The condition (or the extent) of being discretional