belief in the existence of a God on purely rational grounds without reliance on revelation or authority; esp., the 17th- and 18th-cent. doctrine that God created the world and its natural laws, but takes no further part in its functioning
Fr déisme < L deus, god
See deism in American Heritage Dictionary 4
The belief, based solely on reason, in a God who created the universe and then abandoned it, assuming no control over life, exerting no influence on natural phenomena, and giving no supernatural revelation.
Origin: French déisme
Origin: , from Latin deus, god; see dyeu- in Indo-European roots