event

(noun) something that happens at a given place and time.

(noun) a special set of circumstances. Synonyms: case. Examples: "In that event, the first possibility is excluded." "It may rain in which case the picnic will be canceled."

(noun) a phenomenon located at a single point in space-time; the fundamental observational entity in relativity theory.

(noun) a phenomenon that follows and is caused by some previous phenomenon. Synonyms: consequence, effect, outcome, result, issue, upshot. Examples: "The magnetic effect was greater when the rod was lengthwise." "His decision had depressing consequences for business." "He acted very wise after the event."