potentiaryEtymologyHas similar roots to potential; potent + -ary, with the addition of an i.potentiary means A person invested with power or influence. Lexicurio rates it Sui generis — a strength score of 87 out of 100.nounA person invested with power or influence.“[…] Tween Then Woon, a man of sense and prudence, after having been vested with the powers of a potentiary, has been ordered to proceed with a royal letter and presents.”