Old English Synonyms
Old English words for principle include riht
a fundamental truth or doctrine on which other truths or doctrines depend
a fundamental truth or proposition that serves as the foundation for a system of belief or behavior or for a chain of reasoning
The principle of the thing is simple enough.
I cannot recall the principle source.
he has the principles of a true gentleman
A false principle Grant pursued was that the civil war was about union, not slavery.
At heart, she is a good person with solid principles.