|prōbü|lüd.ik, -bə|l- adjective
Etymology: from (assumed) Greek probouleut os (verbal of probouleuein to pass a preliminary decree, from pro- pro- (I) + bouleuein to take counsel, deliberate, from boulē will, counsel) + English -ic — more at boule
: concerned with preliminary discussion of and deliberation on something (as a legal measure) later to be submitted to another body of voters
the probouleutic senate of ancient Athens