KEY n. 16 definitions
A position or condition which affords entrance, control, pr possession, etc.; as, the key of a line of defense; the key of a country; the key of a political situation. Hence, that which serves to unlock, open, discover, or solve something unknown or difficult; as, the key to a riddle; the key to a problem. Those who ar…
LEARNED a.
Of or pertaining to learning; possessing, or characterized by, learning, esp. scholastic learning; erudite; well-informed; as, a learned scholar, writer, or lawyer; a learned book; a learned theory. The learnedlover lost no time. Spenser. Men of much reading are greatly learned, but may be little knowing. Locke. Words…