Meaning: a proposal intended to explain certain facts or observations
hypothesis, possibility, theory
Meaning: a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena; "a scientific hypothesis that survives experimental testing becomes a scientific theory"; "he proposed a fresh theory of alkalis that later was accepted in chemical practices"
"And what is your hypothesis?"
My museum hypothesis was confirmed.
The nebular hypothesis lends itself readily to both.
If the last hypothesis is correct, it will be easy enough to get home again.
I pondered on it a good deal, and could think of no hypothesis to account for it.
This is probably true, but it is an hypothesis, and for our purposes an unnecessary one.
There are even other apparent confirmations of the hypothesis, but we need not go into them.
Let us therefore assume this last hypothesis as the most suitable to our situation, and calculate."
I am so impressed by the importance of these phenomena that I adopt the hypothesis which they so naturally suggest.
First of all, eight planets are now known; and secondly, their real distances agree only very approximately with Kepler's hypothesis.