re·ful·gent 
(rĭ-fljənt, -fŭl-)
(rĭ-fljənt, -fŭl-)adj.
Shining radiantly; resplendent.
[Latin refulgēns, refulgent-, present participle of refulgēre, to flash back : re-, re- + fulgēre, to flash; see bhel-1 in the Appendix of Indo-European roots.]
re·fulgence, re·fulgen·cy n.
re·fulgent·ly adv.