put (something) in motion(redirected from put in motion)
put (something) in motion
To act to cause something to begin. The senator from New Hampshire put the legislation in motion. We've been planning the details for months, but it's ultimately up to the boss to put the project in motion.
put/set something in ˈmotion(also set the wheels in ˈmotion) do what is necessary to make a start on a project, plan, meeting, etc: The Government wants to put the new reforms in motion before the election. ♢ It will be many years before we see any results, but at least we know that the wheels are in motion.
This expression refers to starting a large and complicated piece of machinery.