The playground 'gives every appearance of' being a safe place for children [=the playground appears to be a safe place for children], but a tragic accident occurred there recently.
He has announced that this will be his final/last 'appearance' with the band. [=the last time that he will perform in public with the band]
I wasn't expecting him to come and was surprised by his sudden 'appearance'. [=I was surprised when he suddenly appeared/arrived]
(..) Come on, Sam. Bind their hands. It's true, you don't see many Dwarf women. And in fact, they are so alike in voice and appearance... ...that they're often mistaken for Dwarf men. It's the beards. This, in turn, has given rise to the belief... (..)2002 The Lord of the Rings: The Two Towers