A festival or fest is an event, usually staged by a local community, which centers on some theme, sometimes on some unique aspect of the community. "Cherry Days" in Paonia, Colorado is a typical festival.
Types of Festivals
The word fest derives from the German language. See List of German expressions in English.
See also: List of festivals, wiktionary:fest, wiktionary:festival
In Mythology, a festival was also a set of celebrations in the honour of a god.
The Festival Speech Synthesis System : http://www.cstr.ed.ac.uk/projects/festival/