Parting ways is a phrase used to describe a divergent or separate direction. Antonyms for parting ways would refer to the coming together, union, or convergence. Phrases that could serve as antonyms for parting ways include "joining forces," "becoming united," "coming together," "combining efforts," "gathering," "unifying," "reuniting," "standing together," "bonding," "consolidating," "uniting," "aligning," "harmonizing," or "forming a bond." These antonyms indicate the opposite of the notion of breaking apart or going in opposite directions. They imply coming together and working in the same direction, whether in a partnership, collaboration, or harmonious relationship.