What is the meaning of confront?

verb

• Oppose, as in hostility or a competition.
  • usage: "You must confront your opponent"; "Jackson faced Smith in the boxing ring"; "The two enemies finally confronted each other"
  • synonyms: face
• Deal with (something unpleasant) head on.
  • usage: "You must confront your problems"; "He faced the terrible consequences of his mistakes"
  • synonyms: face up, face
• Present somebody with something, usually to accuse or criticize.
  • usage: "We confronted him with the evidence"; "He was faced with all the evidence and could no longer deny his actions"; "An enormous dilemma faces us"
  • synonyms: face, present
• Be face to face with.
  • usage: "The child screamed when he confronted the man in the Halloween costume"