Among Spanish, a religious festival; a saint's day or holiday; also, a holiday or festivity.
A saint's day celebrated in Spain and Latin America with processions and dances. Therefore, any party. (Spanish, from Latin festa [1844])
A gathering of people to celebrate an event, such as a Saint’s Day, the anniversary of the mission etc. The Chumash also held fiestas before the arrival of the Europeans. During Chumash fiestas people traded goods and played games, and the village leaders conducted business.