probability

n. (pl. -ies) 1 being probable. 2 likelihood of something happening. 3 probable or most probable event. 4 math. Extent to which an event is likely to occur, measured by the ratio of the favourable cases to the total number of possible cases.  in all probability most probably.

n. The quality or state of being probable; appearance of reality or truth; reasonable ground of presumption; likelihood.