The Holy and Great Council of the Orthodox Church was a momentous event not simply for the Orthodox world, but for all Christians. In this response, I suggest that the Council opened the door to a new set of relations centered on the recognition of the “historic name” of other churches outside the boundaries of Orthodoxy. The theological ground for this claim is the realization of the fullness of Christ in the life of the people of God through the Spirit. I turn to two areas of opportunity for further dialogue between Orthodox and Pentecostals. The first is the Christian life and the role of the sacraments while the second is proselytism.