The Collaborative International Dictionary
Profulgent
Profulgent \Pro*ful"gent\, a. [Pref. pro- + L. fulgere to
shine.]
Shining forth; brilliant; effulgent. [Obs.] ``Profulgent in
preciousness.''
--Chaucer.
Wiktionary
profulgent
a. (context obsolete English) shine forth; brilliant; effulgent.