(v. t. & i.) To contrive or plan beforehand.

ad-lib angle beget breed brew bring forth bring into being cabal call into being coin collude complot conceive concoct connive conspire contrive counterfeit countermine counterplot dash off design develop devise discover do offhand dream up engender engineer evolve extemporize fabricate fake fantasize finagle finesse fix forge formulate frame frame up fudge generate give being to give rise to hatch hatch a plot hatch up hoke up improvisate improvise intrigue invent jury-rig knock off lash up lay a plot machinate make do with make up maneuver manufacture mature mint operate originate pack pack the deal plan play by ear plot prearrange preconcert precontrive predesign premeditate preorder procreate rig scheme scrap the plan set up sew up spawn stack the cards strike off strike out think out think up throw off throw together toss off toss out trump up vamp vamp up wangle whip up whomp up wing it