"possibility" in the noun sense
1. possibility
a future prospect or potential
"this room has great possibilities"
2. possibility, possibleness
capability of existing or happening or being true
"there is a possibility that his sense of smell has been impaired"
3. hypothesis, possibility, theory
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"
4. possibility, possible action, opening
a possible alternative
"bankruptcy is always a possibility"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License