"jubilant" in the adjective sense
1. exultant, exulting, jubilant, prideful, rejoicing, triumphal, triumphant
joyful and proud especially because of triumph or success
"rejoicing crowds filled the streets on VJ Day"
"a triumphal success"
"a triumphant shout"
2. elated, gleeful, joyful, jubilant
full of high-spirited delight
"a joyful heart"
Source: WordNet® (An amazing lexical database of English)
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