Wordnet 3.0
ADJECTIVE (1)
1. 
 consistent in performance or behavior; 
- Example: "dependable in one's habits"- Example: "a steady-going family man"[syn: dependable, rock-steady, steady-going]
WordNet (r) 3.0 (2006):
rock-steady
    adj 1: consistent in performance or behavior; "dependable in
           one's habits"; "a steady-going family man" [syn:
           dependable, rock-steady, steady-going]