n. (pl. -ies) 1 the state or fact of being possible, or an occurrence of this (outside the range of possibility; saw no possibility of going away). 2 a thing that may exist or happen (there are three possibilities). 3 (usu. in pl.) the capability of being used, improved, etc.; the potential of an object or situation (esp. have possibilities).
[ ME f. OF possibilité or LL possibilitas -tatis (as POSSIBLE) ]