The Collaborative International Dictionary of English v.0.48:
Pantheist \Pan"the*ist\, n. One who holds to pantheism. [1913 Webster] PantheisticWordNet (r) 3.0 (2006):
pantheist adj 1: of or relating to pantheism [syn: pantheist, pantheistic] n 1: someone who believes that God and the universe are the same