(a) n. a particularly noteworthy event, ceremony, social gathering, or celebration; (b) adj. of, relating to, suitable for, or used at such an event.

Senses denoting a period of interaction or personal engagement. A public or social occasion; an event, gathering, party, etc., often of a specified…

A public ceremony; a large or formal social event; an organized social gathering.

A planned public or social occasion.

Originally English regional and nonstandard. A social event, a party; a performance or show. Also in extended use: spec. (originally humorous) a…

In plural. Social pleasantries, events, or entertainments.

An event or function of some special kind. A special ceremony or celebration; a social function; a significant or noteworthy happening.

North American regional (chiefly New England and Newfoundland). A social function, a party, esp. one organized communally.