machinate

(verb) arrange by systematic planning and united effort. Synonyms: organize, organise, prepare, devise, get up. Examples: "Machinate a plot." "Organize a strike." "Devise a plan to take over the director's office."

(verb) engage in plotting or enter into a conspiracy, swear together. Synonyms: conspire, cabal, complot, conjure. Example: "They conspired to overthrow the government."