Effulgent :: Effulgent (a.) Diffusing a flood of light; shining; luminous; beaming; bright; splendid.
Fulgent :: Fulgent (a.) Exquisitely bright; shining; dazzling; effulgent.
Profulgent :: Profulgent (a.) Shining forth; brilliant; effulgent.
Refulgent :: Refulgent (a.) Casting a bright light; radiant; brilliant; resplendent; shining; splendid; as, refulgent beams..