jubilant

Adjective

• full of high-spirited delight
  • a joyful heart
    

• joyful and proud especially because of triumph or success
  • rejoicing crowds filled the streets on VJ Day
    
  • a triumphal success
    
  • a triumphant shout
    

Related words

• Synonyms: 
  elated , gleeful , joyful , exultant , exulting , prideful , rejoicing , triumphal , triumphant