contingency

1 something that might happen agencies trying to provide for every contingency in a national emergency Synonyms case, contingence, event, contingent, eventuality, possibilityRelated Words probability; accident, chance, hap, hazard, risk

2 something upon which the carrying out of an agreement or offer depends an offer to buy the house, with the contingency that it pass inspection Synonyms condition, if, provision, proviso, qualification, reservation, stipulationRelated Words strings, terms; precondition, prerequisite, requirement, requisite; limitation, modification, restriction; exception, exemption; demand, essential, must, necessity, need