idealism idealism /aɪˈdiːlɪzəm/

noun

1. Elevated ideals or conduct; the quality of believing that ideals should be pursued  ( high-mindedness , idealism , noble-mindedness )
   elevated ideals or conduct; the quality of believing that ideals should be pursued
   
2. Impracticality by virtue of thinking of things in their ideal form rather than as they really are  ( idealism )
   impracticality by virtue of thinking of things in their ideal form rather than as they really are
   
3. (philosophy) the philosophical theory that ideas are the only reality  ( idealism )
   (philosophy) the philosophical theory that ideas are the only reality