The noun event has 4 senses (first 2 from tagged texts)
1. (62) event -- (something that happens at a given place and time)
2. (6) event, case -- (a special set of circumstances; "in that event, the first possibility is excluded"; "it may rain in which case the picnic will be canceled")
3. event -- (a phenomenon located at a single point in space-time; the fundamental observational entity in relativity theory)
4. consequence, effect, outcome, result, event, issue, upshot -- (a phenomenon that follows and is caused by some previous phenomenon; "the magnetic effect was greater when the rod was lengthwise"; "his decision had depressing consequences for business"; "he acted very wise after the event")