sure-footed in WordNet English dictionary

1. not liable to error in judgment or action
   "most surefooted of the statesmen who dealt with the depression"- Walter Lippman; "demonstrates a surefooted storytelling talent"- Michiko Kakutani
   confident  surefooted  sure-footed 
   
2. not liable to stumble or fall
   "on surefooted donkeys"
   surefooted  sure-footed  footsure