theist noun. 
['Ɵi:ɪst] M17.[from Greek theos god + -IST.]Orig., a person who believes in God or gods (opp. 
atheist). Now, a person who believes in one God who created and intervenes in the universe. Cf. 
DEIST.
 ■   the'istic adjective (a) of or pertaining to theists or theism; 
(b) rare of or pertaining to God or gods: 
L18. ■   the'istical adjective = 
theistic (a) 
L17.  [TahlilGaran] English Dictionary ▲