The best replacement for devolution is federalism.

The best alternatives to devolution are rated as following:
★★★★★  federalism
★★★★★  evolution
★★★★  decentralization
★★★★  dios mios
★★  supranationalism
  new federalism

Your alternative for devolution is not listed? Suggest!
Speaking about devolution, one probably shouldn't forget about usb loader gx.

Other search terms related to devolution and their ratings are:
★★★★★ usb loader gx
You have in mind a companion for devolution and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of devolution in all years. Click on graph for more.
devolution
federalism
evolution