noun

a day or period of celebration, typically for religious reasons.

traditional Jewish festivals

fete,fair,gala day,gala,carnival,fiesta,jamboree,pageant,celebrations,festivities,arts festival,festival of music and drama,musical festival,festival of music,science festival,eisteddfod,holy day,feast day,saint’s day,holiday,anniversary,commemoration,day of observance,rite,ritual,ceremony