occurrence
/ə-ˈkər-ən(t)s/
noun
something that occurs
the action or fact of happening or occurring —often used with of
a startling occurrence
occurrence event incident episode circumstance mean something that happens or takes place. occurrence may apply to a happening without intent, volition, or plan. event usually implies an occurrence of some importance and frequently one having antecedent cause.
verb
to occur at the same time or in the same place
symptoms that often co-occur
verb
to occur again : to happen another time : recur
took measures to prevent such accidents from reoccurring