Immaterialism
Pronunciation : Im`ma*te"ri*al*ism
Part of Speech : n.
Etymology : [Cf. F. immat?rialisme.]
Definition : 1. The doctrine that immaterial substances or spiritual being exist, or are possible.
2. (Philos.)
Defn: 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.
Source : Webster's Unabridged Dictionary, 1913