Synonyms for Joyous (same or very similar meaning)
WordNet sense 1 (full of or showing high-spirited merriment):
jolly, merry, mirthfulWordNet sense 2 (offering fun and gaiety):
festiveWordNet sense 3 (full of high-spirited delight):
gleeful, joyful, jubilantWordNet sense 4 (feeling great rapture or delight):
ecstaticFrom the ODE community, based on WordNetadd/edit