confident in WordNet English dictionary

1. having or marked by confidence or assurance
   "a confident speaker"; "a confident reply"; "his manner is more confident these days"; "confident of fulfillment"
   confident 
   
2. 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 
   
3. persuaded of; very sure
   "were convinced that it would be to their advantage to join"; "I am positive he is lying"; "was confident he would win"
   convinced  positive  confident