The phrase "crosses swords with" typically indicates conflict or opposition between individuals or groups. Antonyms for this phrase could include collaboration, cooperation, harmony, agreement, or unity. Instead of crossing swords, individuals or groups could work together in peaceful resolutions, seek to understand opposing viewpoints, and find common ground. Using language that avoids confrontational or aggressive overtones can help foster productive communication and positive relationships. By utilizing a more cooperative approach, conflicts can often be resolved more quickly and effectively, leading to a more peaceful and harmonious outcome.