2. Also the first letter of my name.
col·lab·o·ra·tive play \-ˈla-bə-ˌrā-tiv, -b(ə-)rə-\ adjective or noun
1. The act of working jointly with others or together, especially in an intellectual or creative endeavor to achieve a common solution.
2. To cooperate with an agency or instrumentality with which one is not immediately connected to achieve a common solution of a charitable nature.