impulse

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impulse

noun actuation, drive, encouragement, immelling force, impetus, impulsio, impulsion, impulsus, incentive, motivation, motive, pressure, push, spontaneity, spontaneous inclination, stimulant, sudden desire, sudden force, thrust
Associated concepts: heat of passion, impulsive acts, irreeistible impulse, uncontrollable impulse
See also: catalyst, cause, desire, impetus, incentive, motive, passion, reason, stimulus
References in classic literature ?
The more I have to do with the law, the more it seems to hit me that a lawyer oughtn't to act on impulse.