1.To shed light on; illuminate.
3.The sun lights up the world； knowledge the hearts and souls of people.
4.To irradiate or illuminate(an object).
5.The sunset kindled the skies.
6.The fire kindled half the skies.
7.Shining through; luminous.
8.The glare from the fire lit up the sky.
9.Middle English, gerund of lightnen[ to illuminate, ].
10.Fireworks lighting the sky.
