What's the adjective for discreetest? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs discretise and discretize which may be used as adjectives within certain contexts.
“By function and importance, a discretionary decision to grant ultimate relief to a noncitizen is conceptually different from the discretionary decision to reopen a specific case in light of new evidence.”
“If a court was entitled to look at wide social issues, then really what is being said is that the court's role is a discretionary one.”
“Other, more general equitable principles might justify the refusal of this discretionary remedy.”