When we say someone is "crossing swords with" another person, it means they are actively engaged in an argument or heated debate. However, there are several antonyms for this phrase that describe a more peaceful exchange of ideas. For instance, you could say that someone is "finding common ground with" another person, indicating that they are discovering shared perspectives and working toward mutual understanding. Alternatively, someone might be "collaborating with" another person, signifying a cooperative effort to achieve a common goal. Other antonyms for "crossing swords with" include "conceding to," "compromising with," and "agreeing with." These phrases show that fruitful discourse can be achieved without resorting to conflict.