Definitions:

1. a basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct noun
   • their principles of composition characterized all their works
2. a basic truth or law or assumption noun
   • the principles of democracy
3. a rule or law concerning a natural phenomenon or the function of a complex system noun
   • the principle of the conservation of mass
4. a rule or standard especially of good behavior noun
   • They were a person of principle.

Synonyms:

• precept
• rationale
• rule

NearBy Words:

• principled