1. 
[syn: beaming, beamy, effulgent, radiant, refulgent]
The Collaborative International Dictionary of English v.0.48:
Effulgent \Ef*ful"gent\, a. [L. effulgens, -entis, p. pr. of
   effulgere.]
   Diffusing a flood of light; shining; luminous; beaming;
   bright; splendid. "Effulgent rays of light." --Cowper.
   [1913 Webster]
WordNet (r) 3.0 (2006):
effulgent
    adj 1: radiating or as if radiating light; "the beaming sun";
           "the effulgent daffodils"; "a radiant sunrise"; "a
           refulgent sunset" [syn: beaming, beamy, effulgent,
           radiant, refulgent]