Source : Webster's Revised Unabridged Dictionary (1913)

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.

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

Source : WordNet®

exult
     v 1: feel extreme happiness or elation [syn: {walk on air}, {be
          on cloud nine}, {jump for joy}]
     2: to express great joy; "Who cannot exult in Spring?" [syn: {rejoice},
         {triumph}, {jubilate}]