1. light up - Adjective
2. light up - Verb
become clear
begin to smoke
make lighter or brighter
start to burn with a bright flame
ignite
Source: WordNetlight-up
If people's hate could be turned into electricity, it would light up the whole world. Nikola Tesla
Colour is what gives jewels their worth. They light up and enhance the face. Nothing is more elegant than a black skirt and sweater worn with a sparkling multi-stoned necklace. Christian Dior
But as we do not light up our houses with our brightest lamps for all comers, so neither did she emit from her eyes their brightest sparks till special occasions for such shining had arisen. Anthony Trollope
I love giving gifts and I love receiving them. I really like giving little kids extravagant gifts. You see their little faces light up and they get excited. If it's a really good gift, I love receiving it, like jewels, small islands. Gina Gershon
Student is not a container you have to fill but a torch you have to light up. Albert Einstein
As long as the fish swims in the water, don't light up the grill. Russian Proverb