dispositive

adjective | \ dis-ˈpä-zə-tiv \ | dis·pos·i·tive

1. : directed toward or effecting a disposition (as of a case) an endless variety of dispositive…pretrial motions —Robert Shaw-Meadow

2. : relating to a disposition of property dispositive words in a will

3. : providing a final resolution (as of an issue) : having control over an outcome dispositive of the question