Synonyms of 'brainstorm'

brainchild, brain wave, capriccio, caprice, conceit, crank, craze, crotchet, deliriousness, delirium, drive, fad, fancy, fantasy, flash, flimflam, freak, humor, impulse, incoherence, inspiration, instinct, kink, maggot, megrim, notion, quirk, raving, reflex, Toy, urge, vagary, wandering, whim, whim-wham