1. Freedom from wavering or indecision; constancy of resolve or conduct
   "He trusted her clear steadiness that she would do what she said"
    
2. The quality of being steady or securely and immovably fixed in place
   "The steadiness of his hands was crucial for the delicate operation";
   - firmness
    
3. The quality of being steady — regular and unvarying
   "The steadiness of her hand impressed the surgeon"

Type of: firmness, firmness of purpose, immovability, immovableness, regularity, resoluteness, resolution, resolve

Antonym: unsteadiness