proclivity

proclivity
    n 1: a natural inclination; "he has a proclivity for
         exaggeration" [syn: {proclivity}, {propensity}, {leaning}]
    

Proclivity \Pro*cliv"i*ty\, n. [L. proclivitas: cf. F.
   proclivit['e].]
   [1913 Webster]
   1. Inclination; propensity; proneness; tendency. "A
      proclivity to steal." --Abp. Bramhall.
      [1913 Webster]

   2. Readiness; facility; aptitude.
      [1913 Webster]

            He had such a dexterous proclivity as his teachers
            were fain to restrain his forwardness. --Sir H.
                                                  Wotton.
      [1913 Webster]
    

81 Moby Thesaurus words for "proclivity":
      a thing for, affinity, animus, aptitude, aptness, bag, bent, bias,
      cast, character, chosen kind, conatus, conduciveness, constitution,
      cup of tea, delight, diathesis, disposition, druthers, eagerness,
      eccentricity, fancy, fascination, favor, feeling for, grain,
      idiosyncrasy, inclination, inclining, individualism, kidney,
      leaning, liability, liking, make, makeup, mental set, mettle, mind,
      mind-set, mold, mutual affinity, mutual attraction, nature,
      partiality, particular choice, penchant, personal choice,
      predilection, predisposition, preference, prejudice, prepossession,
      probability, proneness, propensity, readiness, sensitivity to, set,
      slant, soft spot, stamp, strain, streak, stripe, style,
      susceptibility, sympathy, taste, temper, temperament, tendency,
      thing, tropism, turn, turn of mind, twist, type, warp, weakness,
      willingness