"triumphal" in the adjective sense
1. triumphal
relating to or celebrating a triumph
"a triumphal procession"
"a triumphal arch"
2. 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"
Source: WordNet® (An amazing lexical database of English)
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