She followed her own 'predilections'. [=she did the things she liked/wanted to do]
He has a 'predilection for' trouble. [=he often gets into trouble]
They shared a 'predilection for' adventure stories.
(..) I need your insight into someone. Someone whose behavior you may be more familiar with than I. And what is his or her particular predilection? Inflicting pain. You see these butterflies? Beneath their beautiful wings is a whole array (..)2018 TvShow: The Alienist Title: These Bloody Thoughts Season: 1 Episode 4