In the world of collaboration and partnership, "team effort" is a commonly used phrase, but it's always good to expand one's vocabulary. Here are some synonyms for "team effort" that can help add depth and variety to your writing:
1. Collective endeavor
2. Collaborative labor
3. Joint enterprise
4. Group exertion
5. Cohesive work
6. Combined endeavor
7. Cooperative undertaking
8. Unified endeavor
9. Collaborative labor
10. Communal undertaking
Using these synonyms can help you convey the same idea of a group of individuals working together towards a common goal, but with a more evocative and nuanced language.