joyous
joy-ous
adjective
Feeling, expressing, or causing great happiness and delight.
"It was a truly joyous occasion for the family."
Thesaurus
Synonyms: jolly, enraptured, elated, gleeful, rapt, joyful, festive, mirthful, rhapsodic, merry, jubilant, gay
Antonyms: joyless