Propension
Pronunciation : Pro*pen"sion
Part of Speech : n.
Etymology : [L. propensio: cf. F. propension. See Propend, Propense.]
Definition : Defn: The quality or state of being propense; propensity. M. Arnold. Your full consent Gave wings to my propension. Shak.
Source : Webster's Unabridged Dictionary, 1913