assumption

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assumption

 [ah-sump´shun]
a statement that is taken for granted or considered true, even though it may not have been scientifically tested.

as·sump·tion

(ă-sŭmp'shŭn),
Belief posited at the outset of an argument as a basis for deduction and inference. Commonly confused with a hypothesis, a conclusion at the end of the argument, or an inference based on empiric data.

assumption

Prejudgment about a person or situation; a premise based on opinion, which may not be supported by facts.

as·sump·tion

(ă-sŭmp'shŭn)
A basic principle that is accepted as being true on the basis of logic or reason but without proof or verification.
[L. adsumptio, fr. assumo, to adopt]
References in classic literature ?
Is it possible," he asked, with an overacted assumption of surprise, "that you think I am in earnest?
First, that on the above-mentioned Feast of the Assumption, small beer having been served to the novices in the proportion of one quart to each four, the said brother John did drain the pot at one draught to the detriment of brother Paul, brother Porphyry and brother Ambrose, who could scarce eat their none-meat of salted stock-fish on account of their exceeding dryness,"
The author of the 'Vestiges of Creation' would, I presume, say that, after a certain unknown number of generations, some bird had given birth to a woodpecker, and some plant to the misseltoe, and that these had been produced perfect as we now see them; but this assumption seems to me to be no explanation, for it leaves the case of the coadaptations of organic beings to each other and to their physical conditions of life, untouched and unexplained.
Well, then, I hope to make the discovery in this way: I mean to begin with the assumption that our State, if rightly ordered, is perfect.
Yet, I said, that we may not be compelled to examine all such objections, and prove at length that they are untrue, let us assume their absurdity, and go forward on the understanding that hereafter, if this assumption turn out to be untrue, all the consequences which follow shall be withdrawn.
Yet I could not but perceive that she was at times unhappy and dissatisfied with herself or her position, and truly I myself was not quite contented with the latter: this assumption of brotherly nonchalance was very hard to sustain, and I often felt myself a most confounded hypocrite with it all; I saw too, or rather I felt, that, in spite of herself, 'I was not indifferent to her,' as the novel heroes modestly express it, and while I thankfully enjoyed my present good fortune, I could not fail to wish and hope for something better in future; but, of course, I kept such dreams entirely to myself.
To assume the right to new values--that is the most formidable assumption for a load-bearing and reverent spirit.
If we are to avoid a perfectly gratuitous assumption, we must dispense with the subject as one of the actual ingredients of the world.
But it does not follow that the patch of colour is not also psychical, unless we assume that the physical and the psychical cannot overlap, which I no longer consider a valid assumption.
Levin rather disliked his holiday attitude to life and a sort of free and easy assumption of elegance.
Feeling it necessary to do something then, he stretched himself out at greater length, and, reclining with the back of his head on the end of the sofa, and smoking with an infinite assumption of negligence, turned his common face, and not too sober eyes, towards the face looking down upon him so carelessly yet so potently.
Sometimes very solid, or at least well-intentioned, scientific reports contain assumptions which, if false, severely weaken the work.