su·per·ven·tion \ˌsüpə(r)ˈvenchən\noun (-s) Etymology: Late Latin supervention-, superventio, from Latin superventus (past participle of supervenire to supervene) + -ion-, -io -ion : the act, process, or an instance of supervening < the supervention of an interest stronger than his practical interests — Susanne K. Langer >