The phrase "hast propensity" implies a strong tendency or inclination towards something. Synonyms for this phrase could be "inclination", "predisposition", "proclivity", "predilection", or "proneness". These words all convey the idea of a natural tendency towards something, whether it be a behavior, habit, or preference. Alternative synonyms could include "leaning", "tendency", "bias", or "penchant". Whatever the specific word choice, each synonym conveys the same fundamental idea-an innate inclination or propensity towards a particular course of action or belief. By using a variety of synonyms, writers can convey a more nuanced and precise meaning to their audience.