"Ganged with" is a phrase that implies a group of people coming together for a common purpose. However, there are several synonyms that can be used in place of this phrase. Some of these synonyms include joined with, allied with, teamed up with, collaborated with, partnered with, and cooperated with. These synonyms highlight the idea of unity and working together towards a common goal. They can be used in various contexts, from describing a group of friends hanging out to discussing business partnerships. Whatever the situation may be, these synonyms provide a more versatile and colorful vocabulary to express the concept of individuals coming together as a group.