Answer: twinkled

AnswerCrossword Clue
TWINKLEDShone on and off
TWINKLEDSparkled.
TWINKLEDEmulated a star
twinkledSmile so that one's eyes sparkle
twinkled(of a person's feet) Move lightly and rapidly
twinkled(of a star or light, or a shiny object) Shine with a gleam that varies repeatedly between bright and faint
twinkledTWINKLE, to shine with a flickering light
twinkled(of a person's eyes) Sparkle, esp. with amusement