You searched for: “plenipotentiary”
plenipotentiary (s) (noun), plenipotentiaries (pl)
A diplomatic agent: The ambassador was a plenipotentiary who was fully authorized to represent his government.
This entry is located in the following units: -ary (page 10) ple-, pleini-, plen-, plet- (page 3) poten-, pot-, poss-, -potent, -potence, -potency, -potential + (page 4)