Definition of supposition in English:

supposition

noun

  • A belief held without proof or certain knowledge; an assumption or hypothesis.

    ‘they were working on the supposition that his death was murder’
    mass noun ‘their outrage was based on supposition and hearsay’
    • ‘Hypotheses are suppositions about causes which may be entertained by a scientist in cases where it is not practical to induce the separate laws.’
    • ‘As mentioned above, and as we discuss in Part IV, these suppositions are in some tension with existing evidence.’
    • ‘Now, there are what I have said are suppositions.’
    • ‘Ultimately we get to the facts as opposed to the suppositions.’
    • ‘There then follows a bunch of suppositions about possible causes.’
    • ‘Hypotheses, suppositions tentatively accepted, help the therapist to focus on what seems most relevant at that moment.’
    • ‘Such suppositions often invite skepticism and scorn, especially among Westerners.’
    • ‘Such a circular argument, which relies on its own suppositions as proof, can be used to justify anything.’
    • ‘These are not mere suppositions or wishful thinkings.’
    • ‘Judging by the sound of that question, I can make two suppositions.’
    • ‘I hope he writes a more generalized theoretical piece that articulates his disagreement with colleagues on this issue - the issue of proving one's suppositions and ideas.’
    • ‘All too often in this book, the author is forced to fall back on her own suppositions and general guesswork.’
    • ‘There is no reason to assume you will have the same beliefs in these two cases, under these suppositions of differing strengths.’
    • ‘In most cases, however, this kind of mutual informing included only assumptions and suppositions.’
    • ‘Given the electoral history of Britain since 1979 these suppositions were reasonable enough.’
    • ‘Strong suppositions began at this point to emerge.’
    • ‘Extract facts, suppositions and nuggets of information from technical explanations.’
    • ‘In fact, the article includes numerous suppositions and makes inferences that miss the mark because of inaccuracies, misunderstood information, and a lack of research.’
    • ‘There is no direct evidence, and what follows is too contingent on a series of hypothetical suppositions to be convincing.’
    • ‘Let us remember that so many of their assertions are mere suppositions and theories which cannot be proved, and which may very well be disproved, as so many have been disproved during the past hundred years.’
    belief, surmise, idea, notion, suspicion, conjecture, speculation, view, inference, theory, thesis, hypothesis, postulation, guess, guesswork, feeling, hunch, assumption, presumption
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Origin

Late Middle English (as a term in scholastic logic): from Old French, or from late Latin suppositio(n-) (translating Greek hupothesis ‘hypothesis’), from the verb supponere (see suppose).

Pronunciation

supposition

/ˌsʌpəˈzɪʃ(ə)n/