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]
(..) Sorry. We need to talk. OK. Where to begin? With your constant absenteeism? With your unpresentable appearance? You're up for review. I am Jack's complete lack of surprise. - What? - Let's pretend. You're the Department of Transportation, (..)1999 Fight Club