stimulus noun

ADJ. great, major, powerful, strong | negative, positive | external | initial | auditory, intellectual, sensory, verbal, visual

VERB + STIMULUS act as, give, provide | react to, respond to

STIMULUS + VERB come from sth The initial stimulus came from a letter in the newspaper.

PREP. ~ for The very act of lying down in bed should provide a strong stimulus for sleep. | ~ to A reduction in corporate tax should act as a stimulus to economic activity.

PHRASES (in) response to a stimulus