Immaterialism :: Immaterialism (n.) The doctrine that immaterial substances or spiritual being exist, or are possible..
Immaterialism :: Immaterialism (n.) The doctrine that external bodies may be reduced to mind and ideas in a mind; any doctrine opposed to materialism or phenomenalism, esp. a system that maintains the immateriality of the soul; idealism; esp., Bishop Berkeley's theory of idealism..
Immaterialist :: Immaterialist (n.) One who believes in or professes, immaterialism..