principle
nounUK /ˈprɪn.sə.pəl/
US /ˈprɪn.sə.pəl/
A rule or belief that helps you know what is right.
She always tells the truth because honesty is one of her principles.
OTHER MEANINGS
2. A basic scientific law that explains how something works.
The machine works on the principle of magnets pulling metal.
3. The main idea behind how something is built or done.
The principle of the game is to share the ball with your team.
4. A general truth that guides how people act.
Fairness is a principle that good leaders follow.