WordNet Dictionary- [n] steadfast resolution
- [n] loyalty in the face of trouble and difficulty
Webster's 1913 Dictionary\Stead"fast*ness\, n.
The quality or state of being steadfast; firmness; fixedness;
constancy. ``The steadfastness of your faith.'' --Col. ii. 5.
To prove her wifehood and her steadfastness. --Chaucer.