Here are the possible solutions for it'll light up a room clue
Answer
Clue
Relevancy
east
Clue
___ Room (largest room in the White House)
Definition
to turn east (a point on the compass)
ell
Clue
Living room-dining room shape, perhaps
Definition
an old measure of length equal to 45 inches
bulb
Clue
It'll light up a room
Definition
to swell out, form bulbs
roadhazard
Clue
ROOM SERVICE ___ LIGHT TOUCH
glorybeam
Clue
"The light" of "I saw the light!"?
laser
Clue
Light in a light show
Light-show light
Light show light
Definition
a source of high-intensity optical, infrared, or ultraviolet radiation produced as a result of stimulated emission maintained within a solid, liquid, or gaseous medium
