Here are the possible solutions for fill as with light clue
Answer
Clue
Relevancy
gas
Clue
"Fill 'er up!" fill
The fill in "fill 'er up!"
Definition
a state of matter
shellfish
Clue
"... ___: Fill up a tank with gas, then fill up another tank with bass"
argon
Clue
Inert gas used to fill light bulbs
Definition
an inert gaseous element
suffuse
Clue
Fill, as with light
glorybeam
Clue
"The light" of "I saw the light!"?
laser
Clue
Light in a light show
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
