- idealism - (philosophy) the philosophical theory that ideas are the only reality
--1 is a kind of philosophical doctrine, philosophical theory
- idealism - impracticality by virtue of thinking of things in their ideal form rather than as they really are
--2 is a kind of impracticality
--2 has particulars: romanticism; knight errantry, quixotism- high-mindedness, idealism, noble-mindedness - elevated ideals or conduct; the quality of believing that ideals should be pursued
--3 is a kind of nobility, magnanimousness, grandeur
- idealism - impracticality by virtue of thinking of things in their ideal form rather than as they really are