\Pro*cliv"i*ty\, n. [L. proclivitas: cf. F. proclivit['e].] 1. Inclination; propensity; proneness; tendency. ``A proclivity to steal.'' --Abp. Bramhall. 2. Readiness; facility; aptitude. He had such a dexterous proclivity as his teachers were fain to restrain his forwardness. --Sir H. Wotton.