v.intr. (often foll. by at, in, over, or to + infin.) 1 be greatly joyful. 2 (often foll. by over) have a feeling of triumph (over a person). exultancy n. exultation n. exultant adj. exultantly adv. exultingly adv.
[ L exsultare (as EX-(1), saltare frequent. of salire salt- leap) ]