The Collaborative International Dictionary of English v.0.48:

Rapturous \Rap"tur*ous\ (-[u^]s), a.
   Ecstatic; transporting; ravishing; feeling, expressing, or
   manifesting rapture; as, rapturous joy, pleasure, or delight;
   rapturous applause.
   [1913 Webster]

WordNet (r) 3.0 (2006):

rapturous
    adj 1: feeling great rapture or delight [syn: ecstatic,
           enraptured, rapturous, rapt, rhapsodic]