dispositive

Short definition from Wiktionary

Adjective

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

Noun

1. 1
   Alternative form of dispositif.