
Discretionary
Personal Choice
Use 'discretionary' when highlighting a choice depends on someone's own decision.

The company allows discretionary work-from-home days.
Authority's Decision
'Discretionary' implies someone in power has flexibility to decide differently in each case.

The board has discretionary authority over funding approvals.
Not Automatic
'Discretionary' means actions are not set by rules, but by individual judgment.

Bonuses this year will be discretionary based on performance.
Compare with
ArbitraryElectiveOptionVoluntary
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