1) Believer 2) Believer in a creation 3) Believer in a deity 4) Believer in one Creator 5) Believer in one God 6) Believer in only one god 7) Believer in the Almighty 8) Believer of a sort 9) Cleric 10) Faith 11) One of the believers 12) One who believes in God 13) One-deity believer 14) Religion 15) Religious belief 1) Believer 2) Theistic 3) Theistical 
• (n.) One who believes in the existence of a God; especially, one who believes in a personal God; -- opposed to atheist.
The'ist noun [ Confer French théiste . See Theism .] One who believes in the existence of a God; especially, one who believes in a personal God; -- opposed to atheist . 
Someone who does believe God exists.
[adj] - of or relating to theism 2. [n] - one who believes in the existence of a god or gods
theist (THEE ist) A believer in a personal God as creator and ruler of the universe, but not necessarily accompanied by a belief in divine revelation; such as, through the Bible. Confusing Words: Units, Groups A to Z.
theistical adjective of or relating to theism