jubilant
/ˈdʒuːbɪlənt ˈजूबिलन्ट्/ adj. ( formal ) extremely happy, especially because of a success अत्यधिक प्रसन्न विशेषतः सफलता प्राप्ति पर; आनंदविभोर
The football fans were jubilant at their team’s victory in the cup.