What is the meaning of confidence?

noun

• Freedom from doubt; belief in yourself and your abilities.
  • usage: "his assurance in his superiority did not make him popular"; "after that failure he lost his confidence"; "she spoke with authority"
  • synonyms: assurance, self-assurance, self-confidence, authority, sureness
• A feeling of trust (in someone or something. )
  • usage: "I have confidence in our team"; "confidence is always borrowed, never owned"
• A state of confident hopefulness that events will be favorable.
  • usage: "public confidence in the economy"
• A trustful relationship.
  • usage: "he took me into his confidence"; "he betrayed their trust"
  • synonyms: trust
• A secret that is confided or entrusted to another.
  • usage: "everyone trusted him with their confidences"; "the priest could not reveal her confidences"