The phrase "puts in motion" is typically used to describe the act of initiating or starting a process, activity, or event. Some antonyms for this phrase might include "stops," "halts," "stalls," "discontinues," or "prevents." These words indicate a cessation or interruption of action rather than an initiation. Another set of antonyms for "puts in motion" might include "ignores," "neglects," "abandons," or "negates," which indicate a lack of action or attention rather than initiation. Overall, antonyms for "puts in motion" describe a lack of activity or attention rather than an active disruption or cessation of action.