Adjectives

(a)triumphalrelating to or celebrating a triumph“a triumphal procession”, “a triumphal arch”
(s)exultant, exulting, jubilant, prideful, rejoicing, triumphal, triumphantjoyful and proud especially because of triumph or success“rejoicing crowds filled the streets on VJ Day”, “a triumphal success”, “a triumphant shout”