dispositive

[dih-spoz-i-tiv]

adjective

involving or affecting disposition or settlement: a dispositive clue in a case of embezzlement.

Origin of dispositive

1475–85; dispose + -itive, on the model of positive

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

None of that evidence is dispositive--but it is certainly not exculpatory either.
Rick Perry's Track Record on Race
Paul Begala
October 4, 2011