hap|pen|ing

hap|pen|ing «HAP uh nihng, HAP nihng», noun.

1. something that happens; event; occurrence: »

The evening newscast reviewed the happenings of the day.

2. Often, Happening. a spontaneous or improvised public performance, display, spectacle, or the like, often involving the audience or spectators: »

The program was the fourth event in a series of dance concerts and Happenings staged by the First New York Theater Rally (New York Times). What was happening was a Happening—a combination of artists' ball, carnival, charade, and a Dadaesque version of the games some people play (Time).