one who believes in the existence of a god or gods
<noun.person> [ adj ]
of or relating to theism
<adj.pert>
Theist \The"ist\, n. [Cf. F. th['e]iste. See {Theism}.] One who believes in the existence of a God; especially, one who believes in a personal God; -- opposed to {atheist}.
Deist \De"ist\ (d[=e]"[i^]st), n. [L. deus god: cf. F. d['e]iste. See {Deity}.] One who believes in the existence of a God, but denies revealed religion; a freethinker.
Note: A deist, as denying a revelation, is opposed to a Christian; as, opposed to the denier of a God, whether {atheist} or {pantheist}, a deist is generally denominated {theist}. --Latham.