noun:the natural agent that stimulates sight and makes things visible
The light from the sun is essential for life on Earth.
noun:a source of illumination, such as a lamp or candle
She placed a soft light on the bedside table to read by.
adjective:having little weight; not heavy
She prefers light blankets because heavy ones feel uncomfortable.
adjective:of low intensity or force; gentle
There was a light rain falling.
adjective:pale in color
She painted her room a light blue.
verb:to cause something to start burning or to ignite
She used a match to light the campfire.
verb:to relieve or make less serious, such as a mood or atmosphere
A joke can light the tension in a stressful meeting.