When it comes to teamwork, there are numerous ways to say "worked together" that can add variety and sophistication to your communication. For example, "collaborated", "cooperated" and "united" are all strong synonyms that convey a sense of partnership and mutual effort. Other options include "synchronized", "coordinated", "teamed up" and "joined forces", which all suggest a high level of organization and strategic planning. For a more informal tone, you might try "tag-teamed", "put heads together" or "worked in cahoots", which can all help to inject a sense of humor or playfulness into your language. Whatever your context, these synonyms for "worked together" offer a valuable tool for describing successful teamwork.