"Smoke the peace pipe" is a common phrase used to refer to the act of reconciling differences and coming to a peaceful agreement with someone. If you're looking for other ways to express this concept, there are several synonyms you can use. For instance, you can say "bury the hatchet," "wipe the slate clean," "kiss and make up," or "make amends." Other phrases that convey the same message include "let bygones be bygones," "turn over a new leaf," "start fresh," or "call a truce." Whatever the wording, the key is to communicate a willingness to work together and move forward in a spirit of harmony and goodwill.