noun

stimulus

stimulus, incentive, impetus

Light is a stimulus for plant growth.

Light is a stimulus for plant growth.

The tax cut was a stimulus for the economy.

The tax cut was a stimulus for the economy.

((as a stimulus)) ((for/to sth.)) something that causes activity, development, or interest The pay offer was a stimulus for the strike.

Synonyms: incentive, impetus, spur, encouragement

From Latin 'stimulus' meaning 'goad, spur'.

A 'stimulus' is a single thing that causes a reaction. Remember the irregular plural 'stimuli'.

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