ray
stream
gleam
beam
sun 
glow
flicker
shine
lucid
spark
scintilla
flash
blaze 
flame
fire 
serene
luciferous
lightning bolt
luster
shimmer
glisten
gloss
brightness
brilliance
splendor
sheen
dazzle 
sparkle
luminous
reflection
kindle
illuminate
brighten
glorious
radiate
radiant
splendid
clarify
clear

ROGET’S THESAURUS