The phrase "faced off" refers to a confrontational situation or a competition between two parties. The antonyms of the phrase could be cooperation, collaboration, teamwork, or reconciliation. These words depict a peaceful and harmonious scenario wherein both parties are on the same page and working towards a common goal. While "faced off" implies a sense of hostility, antonyms like "cooperation" and "collaboration" suggest a willingness to work together towards a mutual benefit. Therefore, one should strive to use words that promote positivity and collaboration, rather than those that breed animosity and conflict.