n.
1.
Fact, reality, verity.
2.
Conformity to fact or reality.
3.
Principle, law, canon.
4.
Veracity, ~fulness.
5.
Honesty, sincerity, integrity, frankness, ingenuousness, candor, probity, fidelity, honor, virtue.
6.
Faithfulness, fidelity, constancy, loyalty, fealty, faith.
7.
Exactness, accuracy, nicety, precision, conformity to rule.