Originally: †morally good; virtuous (obsolete). Later: having, displaying, or characterized by a pleasant, kindly, or obliging disposition or manner; good-natured.
Origin
Mid 16th century; earliest use found in Thomas Norton. From well + natured.
Definition of well-natured in US English:
well-natured
adjectiveˌwɛlˈneɪtʃəd
Originally: †morally good; virtuous (obsolete). Later: having, displaying, or characterized by a pleasant, kindly, or obliging disposition or manner; good-natured.
Origin
Mid 16th century; earliest use found in Thomas Norton. From well + natured.