restorationism

English

From restoration +‎ -ism.

restorationism (usually uncountable, plural restorationisms)

Any movement or opinion that seeks to restore something to the way it was.
(specifically, Christianity) A movement that rejects much or all of contemporary Christianity and advocates a return to what is viewed as Jesus's original teachings. The Mormons are an example of a restorationist church.
Synonym: restitutionism