supposition

• POS: Noun
• HYPHEN: sup=po=si=tion

CIDE DICTIONARY

supposition, n. [F. supposition, L. suppositio a placing under, a substitution, fr. supponere, suppositium, to put under, to substitute. The word has the meaning corresponding to suppose. See Sub-, and Position.].

•  The act of supposing, laying down, imagining, or considering as true or existing, what is known not to be true, or what is not proved.  [1913 Webster]
•  That which is supposed; hypothesis; conjecture; surmise; opinion or belief without sufficient evidence.  [1913 Webster]

  "This is only an infallibility upon supposition that if a thing be true, it is imposible to be false."  [1913 Webster]

  "He means are in supposition."  [1913 Webster]

OXFORD DICTIONARY

supposition, n.
1 a fact or idea etc. supposed.
2 the act or an instance of supposing.

Derivative

suppositional adj.

THESAURUS

supposition

allegory, allusion, apprehension, apriorism, arcane meaning, assumption, axiom, belief, coloration, conceit, concept, conception, conjecture, connotation, fancy, guesswork, hint, hypothesis, idea, image, imago, implication, implied meaning, import, impression, inference, innuendo, intellectual object, intimation, ironic suggestion, meaning, memory-trace, mental image, mental impression, metaphorical sense, notion, nuance, observation, occult meaning, opinion, overtone, perception, perhaps, posit, postulate, postulation, postulatum, premise, presumption, presupposal, presupposition, proposal, proposition, recept, reflection, representation, sentiment, set of postulates, speculation, subsense, subsidiary sense, suggestion, supposal, suppose, supposing, surmise, symbolism, theory, thesis, thought, tinge, touch, undercurrent, undermeaning, undertone, working hypothesis

ROGET THESAURUS

supposition

Supposition

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.