Enter a clue or pattern or both:
The Clue
Causative agents (7 letter answer)
The Answer
STIMULI
Tags
Notes
The answer STIMULI is rarely seen, appearing only about once every 1600 puzzles.
Related Clues
Incentives
Spurs
Action preceders
Response evokers
Sources of excitement
Bright lights, at times
Definition
STIMULUS as a noun:
1. (stimulation, stimulus, stimulant, input) = any stimulating information or event; acts to arouse action