Source : WordNet®

triumphant
     adj 1: joyful and proud especially because of triumph or success;
            "rejoicing crowds filled the streets on VJ Day"; "a
            triumphal success"; "a triumphant shout" [syn: {exultant},
             {exulting}, {jubilant}, {prideful}, {rejoicing}, {triumphal}]
     2: experiencing triumph [syn: {victorious}]