The best replacement for setup is set up.

The best alternatives to setup are rated as following:
★★★★★  set up
★  setup
★  nsis
★  testfixturesetup
★  install
★  autorun
★  setupbeforeclass
★  setupget
  2000 ultra
  serrated blades
  iron setup
  setup class
  set-up
  co educational setup
  experimental setup
  control setup
  changeover
  nullsoft
  set up dictionary
  bios

Your alternative for setup is not listed? Suggest!
Speaking about setup, one probably shouldn't forget about wireless router.

Other search terms related to setup and their ratings are:
★★★★★ wireless router
dsl
You have in mind a companion for setup and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of setup in all years. Click on graph for more.
setup
set up
setup