proclivitas; animus proclivis or propensus ad aliquid; libido alicujus rei. Propensity to satire, acerbitas (as a trait of character; Quint., 10, 1, 117). ☞ The Latins also frequently denote it in compound words by the termination -entia, and the person possessing the propensity by -entus; e.g., propensity to drinking wine, vinolentia; one who has such propensity, vinolentus: propensity to extravagance, prodigentia (Tac., Ann., 6, 14, 1); one that has such propensity, prodigus: to have a propensity to anything, non alienum esse a re (in a good sense): pronum esse ad aliquid or in aliquid (in classical Latin only in a bad sense; not as Suet., Ner., 52, pronum esse ad poeticam). Vid: INCLINATION.