a day or time of religious or other celebration, marked by feasting, ceremonies, or other observances

the festival of Christmas; a Roman festival.

a periodic commemoration, anniversary, or celebration

an annual strawberry festival.

a period or program of festive activities, cultural events, or entertainment

a music festival.

gaiety; revelry; merrymaking.

festal

a festival atmosphere of unrestrained joy.

noun

anniversary , carnival , commemoration , competition , entertainment , fair , feast , festivities , fete , field day , fiesta , gala , holiday , jubilee , merrymaking , treatnotes:a festival is a celebration for a specific occasion; festive means joyous , celebratory , or merry; festivity is any joyous diversion , conviviality , festiveness , festivity , fun , jollity , merriment , revel , revelry , ale , banquet , cavalcade , celebration , fte , festa , jamboree , pageant