shining softly and intermittently; "the glimmering mist of a spring rain splashed by sun and streaked by rainbow"- Claudia Cassidy; "glimmering candlelight"
merriment expressed by a brightness or gleam or animation of countenance; "he had a sparkle in his eye"; "there's a perpetual twinkle in his eyes"
be lively or brilliant or exhibit virtuosity; "The musical performance sparkled"; "A scintillating conversation"; "his playing coruscated throughout the concert hall"
reflect brightly; "Unquarried marble sparkled on the hillside"