Here are the possible solutions for sat at a light clue
Answer
Clue
Relevancy
idled
Clue
Sat at a red light, e.g.
Sat at a red light, say
Sat at a red light
Sat at a light with the motor running
Sat at a light
Definition
IDLE, to be unoccupied
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
