The phrase "puts brakes" refers to the act of slowing down or stopping something. Its antonyms would be words that mean the opposite, such as "accelerates," "speeds up," or "pushes forward." These terms imply movement, momentum, and action, and for some situations, they may be more appropriate than "putting brakes." Other antonyms for "puts brakes" might include "allows free movement," "gives the green light," or "removes restrictions." Depending on the context, the right antonym for this phrase can better capture the desired action and convey the intended message.