Baretti: A dictionary of the English and Italian languages
Radiáre, v. n. to shine, to sparkle, to cast forth rays or beams of light.
Florio: a worlde of wordes, or most copious, dictionarie in Italian and English
radiare: to ray, to shine, to blaze, to cast streames or beames of light, to streame, to beame, to radiate, to leame, to glitter, to glímmer, to twinkle, to flare, to sparkle.