Webster's Revised Unabridged Dictionary · 1913

Fidelity

Fidelity , noun

[Latin fidelitas: compare French fidélité. See Fealty.]

Faithfulness; adherence to right; careful and exact observance of duty, or discharge of obligations.
(a)
Adherence to a person or party to which one is bound; loyalty.
Whose courageous fidelity was proof to all danger. — Macaulay
The best security for the fidelity of men is to make interest coincide with duty. — A. Hamilton
(b)
Adherence to the marriage contract.
(c)
Adherence to truth; veracity; honesty.
The principal thing required in a witness is fidelity. — Hooker