'contingent on' definitions:

Definition of 'contingent on'

(from WordNet)
adjective
Determined by conditions or circumstances that follow; "arms sales contingent on the approval of congress" [syn: contingent, contingent on(p), contingent upon(p), dependent on(p), dependant on(p), dependent upon(p), dependant upon(p), depending on(p)]

Synonyms of 'contingent on'

From: Moby Thesaurus