principle

PRINCIPLE noun

uk/ˈprɪnsəpl/ us principle noun
(BASIC IDEA)

B2 a basic idea or rule that explains how something happens or works

принцип, правило
The organization works on the principle that all members have the same rights. in principle
If you agree with something in principle , you agree with the idea or plan although you do not know the details or you do not know if it will be possible.

в принципе
They have approved the changes in principle .
 on principle
If you refuse to do something on principle , you refuse to do it because you think it is morally wrong.

из принципа
She doesn't wear fur on principle .