Main entry: spark, sparkle, twinkle, light
Definition: merriment expressed by a brightness or gleam or animation of countenance
Usage: he had a sparkle in his eye; there's a perpetual twinkle in his eyes
Main entry: twinkle, sparkling, scintillation
Definition: a rapid change in brightness; a brief spark or flash
Main entry: flash, wink, winkle, blink, twinkle
Definition: gleam or glow intermittently
Usage: The lights were flashing
Main entry: winkle, twinkle, scintillate
Definition: emit or reflect light in a flickering manner
Usage: Does a constellation twinkle more brightly than a single star?