1. postulation(n = noun.communication) predication - (logic) a declaration of something self-evident; something that can be assumed as the basis for argument;
Derived form verb postulate2
2. postulation(n = noun.communication) petition, request - a formal message requesting something that is submitted to an authority;
The act of postulating, or that which is postulated; assumption; solicitation; suit; cause. [1913 Webster]
N request, requisition, claim, petition, suit, prayer, begging letter, round robin, motion, overture, application, canvass, address, appeal, apostrophe, imprecation, rogation, proposal, proposition, orison, incantation, mendicancy, asking, begging, postulation, solicitation, invitation, entreaty, importunity, supplication, instance, impetration, imploration, obsecration, obtestation, invocation, interpellation, requesting, precatory, suppliant, supplicant, supplicatory, postulant, obsecratory, importunate, clamorous, urgent, cap in hand, on one's knees, on one's bended knees, on one's marrowbones, prithee, do, please, pray, be so good as, be good enough, have the goodness, vouchsafe, will you, I pray thee, if you please, Int, for God's sake!, for heaven's sake!, for goodness' sake!, for mercy's sake!, Dieu vous garde, dirigenos Domine, would you be so kind as to.
N supposition, assumption, assumed position, postulation, condition, presupposition, hypothesis, blue sky hypothesis, postulate, postulatum, theory, thesis, theorem, data, proposition, position, proposal, presumption, divination, conjecture, guess, guesswork, speculation, rough guess, shot, shot in the dark, conjecturality, surmise, suspicion, sneaking suspicion, estimate, approximation (nearness), inkling, suggestion, hint, intimation, notion, impression, bare supposition, vague supposition, loose supposition, loose suggestion, association of ideas, (analogy), metonym, metonymy, simile (metaphor), conceit, idea, thought, original idea, invention (imagination), supposing, given, mooted, postulatory, assumed, supposititious, suppositive, suppositious, gratuitous, speculative, conjectural, hypothetical, theoretical, academic, supposable, presumptive, putative, suppositional, suggestive, allusive, if, if so be, an, on the supposition, ex hypothesi, in the case, in the event of, quasi, as if, provided, perhaps, for aught one knows.