Scintillate

1. verb

   physics: fluoresce momentarily when struck by a charged particle or high-energy photon

   “the phosphor fluoresced”

2. verb

   emit or reflect light in a flickering manner

   “Does a constellation twinkle more brightly than a single star?”

   Similar: twinkle, winkle

3. verb

   be lively or brilliant or exhibit virtuosity

   “The musical performance sparkled”

   Similar: sparkle, coruscate

4. verb

   reflect brightly

   “Unquarried marble sparkled on the hillside”

   Similar: sparkle, coruscate