machinate

To devise (a scheme or plot).

To scheme or plot.

To plan, contrive, or form, as a plot or scheme: as, to machinate mischief.

To lay plots or schemes.

To contrive, as a plot; to plot.

To plan; to contrive; esp., to form a scheme with the purpose of doing harm; to contrive artfully; to plot.

To devise, with others, a plot or secret plan; to conspire.

arrange by systematic planning and united effort

engage in plotting or enter into a conspiracy, swear together