/ ɪgˈzʌlt; NAmE / verb
exult (at / in sth) ( formal ) to feel and show that you are very excited and happy because of sth that has happened :
[ v ]
He leaned back, exulting at the success of his plan.
[ v speech ]
'We won!' she exulted.
[also v that ]
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WORD ORIGIN
late 16th cent.: from Latin exsultare , frequentative of exsilire leap up, from ex- out, upward + salire to leap.