sparkle

Concise Oxford English Dictionary © 2008 Oxford University Press:
sparkle/ˈspɑːkl/

▶verb

• 1 shine brightly with flashes of light.

• 2 be vivacious and witty.

• 3 (as adj. sparkling) (of drink) effervescent; fizzy.

▶noun

• 1 a glittering flash of light.

• 2 vivacity and wit.

– derivatives
sparklingly adverb,
sparkly adjective .

– origin ME: frequentative (v.) or dimin. (n.) of spark1.