idealism

noun

1. elevated ideals or conduct
the quality of believing that ideals should be pursued

Synonym: high-mindednessnoble-mindedness

2. 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

1. 理想主义
Idealism is the beliefs and behaviour of someone who has ideals and who tries to base their behaviour on these ideals.

e.g. She never lost her respect for the idealism of the 1960s...
她对 20 世纪 60 年代的理想主义一直心怀崇敬。
e.g. This experience has tempered their idealism.
这次经历锻炼了他们的理想主义。