See gimmick in Webster's New World Roget's A-Z Thesaurus II
noun
An indirect, usually cunning means of gaining an end:
artifice, deception, device, dodge, feint, imposture, jig, maneuver, ploy, ruse, sleight, stratagem, subterfuge, trick, wile. (Informal) shenanigan, take-in. See honest, meansA small specialized mechanical device:
concern, contraption, contrivance, gadget, jigger, thing. (Informal) doodad, doohickey, widget. (Slang) gizmo. See machineA clever, unexpected new trick or method:
twist. (Informal) kicker, wrinkle. (Slang) angle2, kick. See ability, excite, good
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