1.AdjectivePertaining to a feast or feast day; festive.
2.NounA feast or feast day.
3.NounAn event or series of special events centred on the celebration or promotion of some theme or aspect of the community, often held at regular intervals.
"The Reading and Leeds festivals take place on the August bank holiday.; A Welsh eisteddfod is a literary festival."
4.NounIn mythology, a set of celebrations in the honour of a god.