sureness

Noun

• the quality of being steady and unfailing
  • sureness of hand
    

• freedom from doubt; belief in yourself and your abilities
  • his assurance in his superiority did not make him popular
    
  • after that failure he lost his confidence
    
  • she spoke with authority
    

Related words

• Synonyms: 
  assurance , self-assurance , confidence , self-confidence , authority