ethics

US /ˈeθ·ɪks/
1.

đạo đức học, luân lý học

moral principles that govern a person's behavior or the conducting of an activity.

:
medical ethics also enter into the question
2.

đạo đức học, luân lý học

the branch of knowledge that deals with moral principles.

:
neither metaphysics nor ethics is the home of religion