confidence (EN)
noun

noun “confidence”

sg. confidence, pl. confidences or uncountable
  1. the belief in one's own abilities or qualities
    After practicing for weeks, she approached the piano with confidence and played beautifully.
  2. trust in the abilities or qualities of someone or something
    His confidence in the new software was evident as he demonstrated its features without hesitation.
  3. certainty about a fact or situation
    With confidence, she predicted that the team would win the championship this year.
  4. trust that the counterpart will keep the secret
    She shared her secret with her best friend, knowing it would be kept in confidence.
  5. a secret or private piece of information that is shared with the expectation it will not be disclosed
    He was reluctant to share such a personal confidence, but he needed advice from someone he trusted.