exultant
adjective /ɪɡˈzʌltənt/
  /ɪɡˈzʌltənt/
 (formal)- exultant (at something) feeling or showing that you are very proud or happy, especially because of something exciting that has happened synonym triumphant- The fans were exultant at their team’s victory.
 Word Originmid 17th cent.: from Latin exsultant- ‘exulting’, from the verb exsultare, frequentative of exsilire ‘leap up’, from ex- ‘out, upward’ + salire ‘to leap’.