a strong liking or preference for something
predilection - liking
If you have a ‘predilection’ for something, you have a clear preference or bias towards it. Unlike other words with similar meanings, such as ‘penchant’, this formal term also implies that the strong and established liking in question stems from one’s natural temperament or lived experience.
Our manager’s predilection for thorough planning meant that the project was completed without a hitch.
Maybe it’s because of my heritage, but I have always had a predilection for spicy foods.
I would wager that Kevin’s predilection for temper tantrums is something he has had since childhood.