principle

/ˈpɹɪnsəpəl/

Misollar

Her integrity was her guiding principle.
Respect must be our leading principle.
That's not my personal principle.
Tom is a man of principle.
It's a matter of principle.
It's a question of principle.

ot noun

A fundamental assumption or guiding belief. We need some sort of principles to reason from.
A rule used to choose among solutions to a problem. The principle of least privilege holds that a process should only receive the permissions it needs.
(sometimes pluralized) Moral rule or aspect. I don't doubt your principles.
A rule or law of nature, or the basic idea on how the laws of nature are applied. Bernoulli's Principle

fe’l verb

To equip with principles; to establish, or fix, in certain principles; to impress with any tenet or rule of conduct.

Manbalar: Wiktionary (Free Dictionary API orqali), Datamuse, Tatoeba (CC BY 2.0 FR), MyMemory.