contingent
/kən-ˈtin-jənt/
adjective
dependent on or conditioned by something else
likely but not certain to happen : possible
not logically necessary; especially : empirical
Payment is contingent on fulfillment of certain conditions.
accidental fortuitous casual contingent mean not amenable to planning or prediction. accidental stresses chance. fortuitous so strongly suggests chance that it often connotes entire absence of cause.
noun
a representative group : delegation, detachment
something contingent : contingency
a diplomatic contingent
noun
a fee for services (as of a lawyer) paid upon successful completion of the services and usually calculated as a percentage of the gain realized for the client —called also contingent fee