"triumphant" 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. triumphant, victorious
experiencing triumph
Source: WordNet® (An amazing lexical database of English)
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