(of a clause) unable to stand alone syntactically as a complete sentence; "a subordinate (or dependent) clause functions as a noun or adjective or adverb within a sentence"
having or using the ability to act or decide according to your own discretion or judgment; "The commission has discretionary power to award extra funds"
(especially of funds) not earmarked; available for use as needed; "discretionary funds"; "discretionary income"