plenipotentiary
adj.
1640s, from French plénipotentiaire and directly from Medieval Latin plenipotentiarius "having full power," from Late Latin plenipotens, from Latin plenus "full" (see plenary) + potentem "powerful" (see potent). As a noun from 1650s.
〔蒋〕[plen全，-i-，potent权力，权能，-i-，-ary表示人] 全权大使;[-ary形容词后缀，…的] 有全权的