set something in motion

US /set ˈsʌmθɪŋ ɪn ˈmoʊʃən/
UK /set ˈsʌmθɪŋ ɪn ˈmoʊʃən/
"set something in motion" picture
1.

poner en marcha, iniciar, activar

to start something, especially a process or a series of events

:
The new policy will set in motion a series of changes.
La nueva política pondrá en marcha una serie de cambios.
He set in motion a plan to reorganize the department.
Él puso en marcha un plan para reorganizar el departamento.