a sudden burst of flame or light; a sudden idea, realization etc

shimmer, flicker

a beam or ray of soft light; a brief snow of some quality or emotion

brightness, sparkle

a weak, irregular light; a small, irregular sign

flash, sparkle

(to produce) a bright, irregular light

glitter

the power to learn, understand and know; information, especially with reference to important events

ability to perceive, understand

Intelligence Quotient (a measure for comparing intelligence)

ability to perceive, understand

the lungs of sheep, pigs, cattle, used as food for pet animals

luminescence from sun or other source

the giving out of light without burning or heat that can be felt, only through the action of biochemical reactions

luminescence from sun or other source

(to shine with) a wavering soft light

gleam

to send out flashes of light; to be shining (with happiness etc)

glitter, shine