Source : Webster's Revised Unabridged Dictionary (1913)

Jubilation \Ju`bi*la"tion\, n. [L. jubilatio: cf. F.
   jubilation.]
   A triumphant shouting; rejoicing; exultation. ``Jubilations
   and hallelujahs.'' --South.

Source : WordNet®

jubilation
     n 1: a feeling of extreme joy [syn: {exultation}, {jubilance}, {jubilancy}]
     2: a joyful occasion for special festivities to mark some happy
        event [syn: {celebration}]
     3: the utterance of sounds expressing great joy [syn: {exultation},
         {rejoicing}]