instinct
I
noun
affinity, appetitus, aptitude, aptness, automatic reaction, bent, fitness, inborn proclivity, inclination, innate inclination, innate proclivity, intuition, involuntariness, native tendency, natural sense, natural tendency, predisposition, proclivity, proneness, propensity, reflex action, tendency, untutored intelligence
II
index
caliber (mental capacity), gift (flair), proclivity, sense (feeling), tendency
Burton's Legal Thesaurus.
William C. Burton.
2006