Fiesta

n.	1.	Among Spanish, a religious festival; a saint's day or holiday; also, a holiday or festivity. Even . . . a bullfight is a fiesta. - Am. Dialect Notes. Some fiesta, when all the surrounding population were expected to turn out in holiday dress for merriment. - The Century.
	2.	an organized series of acts and performances.

Noun

1.

fiesta - an elaborate party (often outdoors) Synonyms: fete, feast

Mardi Gras, Saturnalia, banquet, blowout, carnival, do, fair, feast, festival, festive occasion, festivity, fete, field day, gala, gala affair, gala day, great doings, high jinks, jamboree, kermis, party, picnic, waygoose, wayzgoose