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]
(..) Maeve? Sure you can't stick around? - Maeve? - Whoa! Gunslinger in there has got an appetite for a double dip... I'm sure you can find another... I killed her and her daughter just to see what I felt. Then, (..)2016 TvShow: Westworld Title: Trace Decay Season: 1 Episode 8