dispositive

Etymology
From and its source,. Compare 🇨🇬.

Adjective

 * 1) Intending to or resulting in or capable of disposition (disposing of or settling a matter).
 * 2)  By natural disposition, having such an inclination.
 * 3)  Being a statutory provision not mandatory to the parties, as in ius dispositivum.
 * 1)  By natural disposition, having such an inclination.
 * 2)  Being a statutory provision not mandatory to the parties, as in ius dispositivum.
 * 1)  Being a statutory provision not mandatory to the parties, as in ius dispositivum.

Usage notes
Although the adjectives dispositional and dispositive both express relation to a disposition, the idea of determining (governing) that disposition is usually expressed with dispositive.