by the recent proliferation of terms like missional and missio Dei. It’s no wonder Bosch concludes a few pages later, “Ultimately, mission remains undefinable.”6 But perhaps a common definition is not yet a lost cause. Before giving up on a definition, Bosch acknowledges that mission, at least in traditional usage, “presupposes a sender, a person or persons sent by the sender, those to whom one is sent, and an assignment.”7 Though his broader theology of mission is quite different from what we will