(often + at/in/over) to be extremely joyful; to rejoice openly
The captain exulted over his team's victory
exultancy /-si/ noun
exultant adj
exultantly adv
exultation /eksəlʹtaysh(ə)n, egzəl-/ noun
exultingly adv
[early French exulter, from Latin exsultare, literally ‘to leap up’, from ex-1 + saltare to leap]