The Collaborative International Dictionary of English v.0.48:

Exult \Ex*ult"\, v. i. [imp. & p. p. Exulted; p. pr. & vb. n.
   Exulting.] [L. exultare, exsultare, exultatum, exsultatum,
   to leap vigorously, to exult, intens. fr. exsilire to spring
   out or up; ex out + salire to spring, leap: cf. F. exulter.
   See Salient.]
   To be in high spirits; figuratively, to leap for joy; to
   rejoice in triumph or exceedingly; to triumph; as, an
   exulting heart. "An exulting countenance." --Bancroft.
   [1913 Webster]

         The dumb shall sing, the lame his crutch forego,
         And leap exulting like the bounding roe. --Pope.
   Exultance

The Collaborative International Dictionary of English v.0.48:

Exulting \Ex*ult"ing\, a.
   Rejoicing triumphantly or exceedingly; exultant. --
   Ex*ult"ing*ly, adv.
   [1913 Webster]

WordNet (r) 3.0 (2006):

exulting
    adj 1: joyful and proud especially because of triumph or
           success; "rejoicing crowds filled the streets on VJ Day";
           "a triumphal success"; "a triumphant shout" [syn:
           exultant, exulting, jubilant, prideful,
           rejoicing, triumphal, triumphant]