noun
Philosophical term referring to the view that reality is fundamentally mental or idea-based. Often contrasted with 実在論 (realism).
See also: 実在論
観念論は、物質よりも精神を根本的なものと見なす。
Idealism regards mind as more fundamental than matter.
彼の立場は観念論に近い。
His position is close to idealism.