Designating an action which is commanded or determined by the will but exercised by some other faculty of the mind or body; = imperate, adj. 2.

To be decided by one's liking; dependent upon will or pleasure; at the discretion or option of any one. Obsolete in general use.

Philosophy and Theology. Designating an action which is commanded or determined by the will but exercised by some other faculty of the mind or…

Arbitrarily chosen.

Of or relating to discretion or freedom in decision; left to or exercised at discretion; optional, voluntary. In later use also (esp. of a…

= arbitrary, adj.

Relating to or dependent on discretion rather than being fixed or restricted; discretionary.

Subject to the exercise of will.

Subject to discretion; left to one's own will or judgement; discretionary.

That is a matter of choice; elective, optional. Obsolete.

Discretionary, optional.