Stressing the central role of ideas and spiritual things in interpreting human experience. Holding that reality exists essentially as consciousness; that abstractions and conceptual forms are more fundamental reality than sensory things or, at least, that whatever exists is known to man in dimensions that are chiefly mental, through and as ideas.
Philosophically, idealism contends that the object is dependent on the experiencing subject. It is opposed to materialism, realism, scepticism and positivism.