Triumphantly elated (8)
I believe the answer is:
exultant
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">triumphantly elated</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for exultant that I've seen before include "Intensely joyful" , "Triumphant" , "Rejoicing greatly, delighted" , "Triumphantly elated" , "In jubilant mood, rejoicing" .)