Answer: contingency

AnswerCrossword Clue
CONTINGENCYChance happening.
contingencyan event (as an emergency) that may but is not certain to occur also CONTINGENCE
contingencyAn incidental expense
contingencyA future event or circumstance that is possible but cannot be predicted with certainty
contingencyA provision for such an events or circumstance
contingencyThe absence of certainty in events
contingencyThe absence of necessity; the fact of being so without having to be so