fes·tal \ˈfestəl\adjective Etymology: Latin festa or festum festival + English -al 1.: of or belonging to a religious feast < the festal day of that saint > < festal celebration of the Holy Communion > 2.: of, given over to, or suited to festivity < festal occasions > < festal crowds > < festal garments > • fes·tal·ly\-təlē, -li\adverb