The Collaborative International Dictionary of English v.0.48:
Propense \Pro*pense"\, a. [L. propensus, p. p. See Propend.] Leaning toward, in a moral sense; inclined; disposed; prone; as, women propense to holiness. --Hooker. -- Pro*pense"ly, adv. -- Pro*pense"ness, n. [1913 Webster]