1) Emit vivid flashes of light 2) Gleam 3) Reflect 4) Reflect brightly 5) Scintillate 6) Shine 7) Sparkle 8) To give off light 9) To reflect in flashes 10) To sparkle 1) Glitter 
to sparkle; to throw off flashes of light
• (v. i.) To glitter in flashes; to flash.
Cor'us·cate intransitive verb [ Latin coruscare to flash, vibrate.] To glitter in flashes; to flash. Syn. -- To glisten; gleam; sparkle; radiate.
coruscate, coruscating 1. To give forth flashes of bright light; to sparkle and to glitter: 'We saw the diamonds coruscating in the candlelight.' 2. To exhibit sparkling virtuosity: 'She was a singer whose songs coruscated throughout the concert hall.'
to emit vivid flashes of light; sparkle; scintillate; gleam.
[Obscure words] reflect brightly