Obs. rare–1. [a. Mfr. advenement, occas. spelling of avénement a coming, an event, f. avenir: see prec. and -MENT.] That which comes or happens; an event, incident.
1490. Caxton, Eneydos, i. 12. The aduenementes and aduersitees of warre ben doubtous and vnder the honde of fortune.
