She has an 'appetite for' adventure. [=she likes adventure; she likes to do adventurous things]
That movie made me 'lose my appetite'. [=I no longer wanted to eat after seeing that movie]
Delicious smells from the kitchen 'whetted our appetites'. [=made us hungry]
(..) It felt like the safest place. Not for your clientele, clearly. It was an establishment like no other. The sheer range of appetites catered to. Desires that didn't even exist until we invented them. You've always been rather impressed with yourself, haven't you? The past is the past. (..)2015 TvShow: Game of Thrones Title: The Gift Season: 5 Episode 7