a natural inclination or tendency

a propensity to drink too much.

Obsolete . favorable disposition or partiality.

noun

antipathy , disinclination , dislike , hate

noun

ability , aptness , bent * , bias , capacity , competence , disposition , flash , inclining , leaning , liability , partiality , penchant , predilection , predisposition , proclivity , proneness , susceptibility , sweet tooth * , talent , tendency , thing * , tilt * , yennotes:a propensity is a tendency while a predilection is a partiality - thus , a propensity (from latin meaning \'hanging toward\') is a behavioral predisposition whereas a predilection is a personal characteristic (from latin meaning \'choose or love before others\') , cast , squint , trend , turn , affection , affinity , appetence , bent , fancy , inclination , liking , prejudice , taste