event
/i-ˈvent/
noun
something that happens : occurrence
a noteworthy happening
a social occasion or activity
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.
noun
the surface of a black hole : the boundary of a black hole beyond which nothing can escape from within it
noun
an event (such as weight-throwing or jumping) in a track-and-field meet other than a race