ductility (dŭk-TĬL-ĭ-tē) Definition (Noun) Capability of being easily led or influenced; tractableness, docility. In Context "Bingley was endeared to Darcy by the easiness, openness, ductility of his temper, though no disposition could offer a greater contrast to his own, and though with his own he never appeared dissatisfied." Jane Austin, Pride and Prejudice, 1813.