Meaning : Be issued or published.
Example :
Did your latest book appear yet?.
The new Woody Allen film hasn't come out yet.
Synonyms : come out
Meaning : Seem to be true, probable, or apparent.
Example :
It seems that he is very gifted.
It appears that the weather in California is very bad.
Synonyms : seem
Meaning : Come into being or existence, or appear on the scene.
Example :
Then the computer came along and changed our lives.
Homo sapiens appeared millions of years ago.
Synonyms : come along
Meaning : Appear as a character on stage or appear in a play, etc..
Example :
Gielgud appears briefly in this movie.
She appeared in `Hamlet' on the London stage.
Meaning : Present oneself formally, as before a (judicial) authority.
Example :
He had to appear in court last month.
She appeared on several charges of theft.