The term 'One with Spirit' can be summarized by the crossword solution 'SHAMAN' (6 letters). A SHAMAN is a spiritual leader in many cultures, often serving as a healer and mediator between the human world and the spirit world. Shamans are believed to have access to supernatural powers and use them to help their communities. They are also believed to be able to communicate with the spirits of the dead and to use their powers to bring healing and balance to their communities.