It means that although you possess the authority and the ability to do something, you may "choose" not to take any action.
business discretionary powers
Policemen are paid functionaries whereas superheroes are autonomous with a lot of latitude with many discretionary powers that police do not have .
Discretionary income is calculated by taking your gross income minus your expenses and what you are left with is discretionary income. Most Americans do not have a large amount of discretionary income.
Discretionary user lay between expert and novice users
Projects where management has a choice in implementing them are called discretionary projects. Projects where no choice exists are called nondiscretionary projects.
There are a great many examples in the world of discretionary spending. Discretionary spending can be as simple as choosing whether you want to spend your money on ice cream.
The portion of discretionary spending typically spent on defense varies. If a country is at war, the discretionary spending percentage will be higher for defense.
At your Discretion. It's your choice. Example: on a restaurant bill 'Tips discretionary'
Option - as the right to enter or not to enter into a contract - is a discretionary act.
Households spend most of their discretionary income on consumption.
Discretionary project is a project in which management can made its option on the subject they want to implement.
The social security system is mandatory, not discretionary. You do not have the option of declining to participate.