Open English Wordnet
Verbs
(v)twinkle, winkle, scintillateemit or reflect light in a flickering manner“Does a constellation twinkle more brightly than a single star?”
(v)scintillatefluoresce momentarily when struck by a charged particle or high-energy photon“the phosphor scintillated”
(v)sparkle, scintillate, coruscatebe lively or brilliant or exhibit virtuosity“The musical performance sparkled”, “A scintillating conversation”, “his playing coruscated throughout the concert hall”