1. Rule
2. Doctrine
3. Standard
4. Regulation
5. Axiom
6. Maxim
7. Precept
8. Postulate
9. Canon
10. Proverb
11. Tenet
12. Credo
13. Commandment
14. Law
15. Verdict
16. Verity
17. Norm
18. Injunction
19. Dictum
20. Prescription
21. Guideline
22. Proposal
23. Theorem
24. Principle of life
25. Moral
26. Principle of conduct
27. Principle of teaching
28. Principle of faith
29. Principle of knowledge
30. Principle of belief

Searching for the best ideas and other words for the word principle? Look no further! There are many synonyms for the word principle, ranging from rules and regulations to doctrines and standards. Whether you’re looking for a synonym to use in a professional document, or just a way to spice up your everyday conversation, the list of synonyms for principle provided above is sure to help. From laws and commandments to maxims and proverbs, the list is comprehensive and sure to provide you with the perfect word to fit your needs.