Possibility
WordNet
noun
(1) A possible alternative
"Bankruptcy is always a possibility"
(2) 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"
(3) A future prospect or potential
"This room has great possibilities"
(4) Capability of existing or happening or being true
"There is a possibility that his sense of smell has been impaired"
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