propensity

1 an established pattern of behavior the criminal propensities of the family extended over several generations Synonyms aptness, proneness, tendency, wayRelated Words affinity, aptitude, bent, disposition, inclination, leaning, mind-set, partiality, penchant, predilection, predisposition, proclivity, turn; custom, habit, pattern, practice (also practise), routine, wont; eccentricity, idiosyncrasy, oddity, peculiarity, quirk, singularity, trickNear Antonyms averseness, disinclination, dislike, indisposition

2 a habitual attraction to some activity or thing a neighbor who has an unfortunate propensity for snooping Synonyms affection, affinity, aptitude, bent, bias, bone, devices, disposition, genius, habitude, impulse, leaning, partiality, penchant, predilection, predisposition, proclivity, inclination, tendency, turnRelated Words favor, one-sidedness, partisanship, prejudice; endowment, faculty, flair, genius, gift, knack, talent; addiction, appetite, fancy, fondness, like, liking, preference, taste; forte, speciality, specialty; convention, custom, habit, pattern, practice (also practise), routine, trick, way, wont; eccentricity, idiosyncrasy, kink, oddity, peculiarity, quirk, singularityNear Antonyms allergy, averseness, aversion, disfavor, disinclination, dislike, disliking, disrelish, distaste; detachment, impartiality, neutrality, objectivity; apathy, disinterestedness, indifference, insouciance, nonchalance, unconcern