n. a future prospect or potential; "this room has great possibilities"

n. capability of existing or happening or being true; "there is a possibility that his sense of smell has been impaired"

n. a possible alternative; "bankruptcy is always a possibility"

n. a tentative theory about 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"

n. the probability of a specified outcome

n. the state of being contingent on something

n. (logic) a proposition that is accepted as true in order to provide a basis for logical reasoning

n. a statement that is assumed to be true and from which a conclusion can be drawn; "on the assumption that he has been injured we can infer that he will not to play"

n. an idea accepted as a demonstrable truth

n. a belief (or system of beliefs) accepted as authoritative by some group or school

n. an orientation that characterizes the thinking of a group or nation

n. a rationalized mental attitude

n. incapability of existing or occurring

n. the state of being certain; "his certainty reassured the others"