Co-functioned refers to two or more entities working together towards a common goal or objective. Synonyms for co-functioned include cooperated, collaborated, allied, partnered, teamed up, and worked jointly. These words all illustrate the act of combining resources, knowledge, or skills to produce a desired outcome. Coordinated, coupled, combined, united, integrated, and fused are other synonyms that highlight the idea of merging or blending together to create a cohesive unit. Whatever the context may be, using these synonyms can help convey the meaning of co-functioned and emphasize the importance of collaboration and teamwork in achieving success.