machinate in WordNet English dictionary

1. engage in plotting or enter into a conspiracy, swear together
   "They conspired to overthrow the government"
   conspire  cabal  complot  conjure  machinate 
   
2. arrange by systematic planning and united effort
   "machinate a plot"; "organize a strike"; "devise a plan to take over the director's office"
   organize  organise  prepare  devise  get up  machinate