The phrase "by mutual/common consent" implies an agreement made between two or more parties. There are several synonyms for this phrase that convey a similar meaning. These include "by mutual agreement," "by joint decision," "by mutual understanding," "with mutual assent," and "with common accord." Each of these phrases suggest a collaborative effort between all parties involved to come to a shared decision or understanding. Whether it is a business partnership, a marriage, or a contract negotiation, the use of these synonyms indicate a harmonious resolution that all parties involved are satisfied with.