From WordNet (r) 2.0 (August 2003) [wn]:
ecstatic
adj : feeling great rapture or delight [syn: enraptured,
rapturous, rhapsodic]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Ecstatic \Ec*stat"ic\, a. [Gr. ?, fr. ?: cf. F. extatique. See
Ecstasy, n.]
1. Pertaining to, or caused by, ecstasy or excessive emotion;
of the nature, or in a state, of ecstasy; as, ecstatic
gaze; ecstatic trance.
[1913 Webster]
This ecstatic fit of love and jealousy. --Hammond.
[1913 Webster]
2. Delightful beyond measure; rapturous; ravishing; as,
ecstatic bliss or joy.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Ecstatic \Ec*stat"ic\, n.
An enthusiast. [R.] --Gauden.
[1913 Webster]