The phrase "brings a standstill" refers to the act of stopping something completely or causing it to come to a halt. Antonyms (words that have the opposite meaning) for this phrase could include "starts," "initiates," or "unleashes," which all suggest the beginning or continuation of something. Other antonyms could include "frees," "unlocks," or "releases," which imply the removal of an obstacle or the liberation of something. Finally, "accelerates" or "propels" can also serve as antonyms, as they suggest an increase in speed or momentum as opposed to coming to a stop. Overall, there are many antonyms that can be used to describe the opposite of "brings a standstill," depending on the context and intended meaning.