What is the meaning of appearance?

noun

• Outward or visible aspect of a person or thing.
  • synonyms: visual aspect
• The event of coming into sight.
• Formal attendance (in court or at a hearing) of a party in an action.
  • synonyms: appearing, coming into court
• A mental representation.
  • usage: "I tried to describe his appearance to the police"
• The act of appearing in public view.
  • usage: "the rookie made a brief appearance in the first period"; "it was Bernhardt's last appearance in America"
• Pretending that something is the case in order to make a good impression.
  • usage: "they try to keep up appearances"; "that ceremony is just for show"
  • synonyms: show