set in motion
Start something moving, give impetus to something, as in A press conference set the new project in motion. It is also put as set the wheels in motion, as in Let's set the wheels in motion for the new library wing. This idiom dates from about 1800. It was preceded by put in motion, which dates from the mid-1600s.
Words nearby set in motion
set foot,
set forth,
set forward,
set function,
set in,
set in motion,
set in one's ways, be,
set off,
set on,
set on a pedestal,
set on fire