When it comes to synonyms for the term "opens the throttle," there are several options available. One might choose to say that someone "increases the speed," "steps on the gas," or "gives it more power." Other options may include "accelerates," "revs up," or simply "presses down on the pedal." The term "opens the throttle" is typically associated with speed and acceleration, so any of these synonyms could be used to convey a similar meaning. Depending on the context and tone of the conversation, one synonym may be more fitting than another. Ultimately, it's important to choose the word or phrase that best conveys the intended message.