Synonyms to fleeting impulse

blind impulse, archetypal pattern, archetype, automatic response, automatic writing, automatism, brain wave, brainstorm, collective unconscious, compulsiveness, conditioning, drive, echolalia, echopraxia, fancy, flash, gut response, id, impulse, inborn proclivity, inspiration, instinct, instinctiveness, involuntariness, involuntary impulse, libido, natural impulse, natural instinct, natural tendency, notion, primitive self, quick hunch, reflex, reflex action, sheer chemistry, subconscious urge, sudden thought, unlearned capacity, unreasoning impulse, unwilledness, urge, vital impulse, absurd idea, afebrile delirium, boutade, brainchild, bright idea, bright thought, brilliant idea, capriccio, caprice, conceit, crank, craze, crazy idea, crotchet, deliriousness, delirium, fad,