occurrence
oc.cur.rence \*-'k*r-*n(t)s, -'k*-r*n(t)s\ n 1: APPEARANCE, HAPPENING 2: INCIDENT, EVENT; esp : an unexpected happening CUMSTANCE mean something that happens or takes place. OCCURRENCE may apply to a happening without intent, volition, or plan; EVENT usu. implies an occurrence of some importance and frequently one having antecedent cause; INCIDENT suggests either an occurrence of subordinate character or a small but unusual or consequential happening; EPISODE stresses the distinctiveness or apartness of an incident; CIRCUMSTANCE implies a specific detail attending an action or event as part of its setting or background SYN syn OCCURRENCE, EVENT, INCIDENT, EPISODE, CIR
Webster's English Dictionary