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]
(..) There's a story that gets passed around the barracks... ...about a creature known as Bolphunga the Unrelenting... ...who had a thirst for combat as insatiable as his appetite. SHIP VOICE: Approaching vud's homeworld, oh, great one. HAL: After hundreds of victories... (..)2011 Green Lantern: Emerald Knights