1.outward or visible aspect of a person or thing
2.the event of coming into sight
3.formal attendance (in court or at a hearing) of a party in an action
4.a mental representation;
I tried to describe his appearance to the police
5.the act of appearing in public view;
the rookie made a brief appearance in the first period
6.pretending that something is the case in order to make a good impression;
they try to keep up appearances