1) Celebratory 2) Ecstatic 3) Elated 4) Exultant 5) Exulting 6) Full of high-spirited delight 7) Happy 8) More than happy 9) Over the moon 10) Overjoyed 11) Prideful 12) Proud 13) Rejoicing 14) Thrilled 15) Triumphal 16) Triumphant 17) Very happy 18) Whooping it up Found on https://www.crosswordclues.com/clue/jubilant
Ju'bi·lant adjective [ Latin jubilans , -antis , present participle of jubilare to shout for joy: confer French jubilant . See Jubilate .] Uttering songs of triumph; shouting with joy; triumphant; exulting. 'The jubilant age.' Coleridge. « Whil... Found on http://www.encyclo.co.uk/webster/J/14
The USS Jubilant was an American Admirable Class minesweeper of 625 tons displacement launched in 1943. The USS Jubilant was powered by diesel engines providing a top speed of 14.5 knots and carried a complement of 104. She was armed with one 3 inch dual-purpose gun and four 40 mm anti-aircraft guns. Found on http://www.probertencyclopaedia.com/browse/RJ.HTM
showing great joy, satisfaction, or triumph; rejoicing; exultant: the cheers of the jubilant victors; the jubilant climax of his symphony. Found on https://www.infoplease.com/dictionary/jubilant