Meaning

• An occurrence; something that happens.

• A prearranged social activity (function, etc.)

  "I went to an event in San Francisco last week."

• One of several contests that combine to make up a competition.

• An end result; an outcome (now chiefly in phrases).

  "In the event, he turned out to have what I needed anyway."

• A point in spacetime having three spatial coordinates and one temporal coordinate.

• A possible action that the user can perform that is monitored by an application or the operating system (event listener). When an event occurs an event handler is called which performs a specific task.

• A set of some of the possible outcomes; a subset of the sample space.

• An affair in hand; business; enterprise.

• An episode of severe health conditions.

Meaning

• To occur, take place.