shamanism
practice that involves a practitioner reaching altered states of consciousness in order to perceive and interact with what they believe to be a spirit world
en-US/ˈʃɑməˌnɪzəm/
en-GB/ˈʃæməˌnɪzəm/
practice that involves a practitioner reaching altered states of consciousness in order to perceive and interact with what they believe to be a spirit world