...in Sikhism epistemological idealism also leads to metaphysical idealism. Sikhism starts with plurality of objects and ends in monism. It evolves a comprehensive metaphysical system of absolute dynamic non-dualist view of the Reality.
In the context of Sikhism it [Metaphysical monism] considers atman (spiritual element) and body (material element) as inseparable aspects of a single spiritual cosmic spiritual continuum.
Sikhism lays more emphasis on dynamism, non-dualism and social involvement. Reality imply that Sikhism puts forth a dynamic metaphysical system.