ex·ul·tant /ɪgˈzʌltṇt/
  (a.)非常高興的,歡躍的
  Ex·ult·ant a.  Inclined to exult; characterized by, or expressing, exultation; rejoicing triumphantly.
     Break away, exultant, from every defilement.   --I. Tay;or.
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  exultant
       adj : joyful and proud especially because of triumph or success;
             "rejoicing crowds filled the streets on VJ Day"; "a
             triumphal success"; "a triumphant shout" [syn: exulting,
              jubilant, prideful, rejoicing, triumphal, triumphant]