Positive:
* Cooperative: This is the most direct and straightforward adjective.
* Collaborative: Emphasizes working together towards a common goal.
* Harmonious: Suggests a smooth and pleasant working relationship.
* Supportive: Highlights the willingness to help and assist.
* Helpful: Focuses on the positive contribution made.
Neutral:
* Joint: Indicates something done together.
* Combined: Emphasizes the merging of efforts.
Negative:
* Submissive: Implies a lack of independent thought or action.
* Compliant: Suggests a passive agreement without enthusiasm.
* Yielding: Highlights a lack of resistance or assertion.
The best adjective to use will depend on the specific situation and the nuance you want to convey.