Plenipotentiary – meaning of the word and example

Invested with full power. (Merriam – Webster)

A plenipotentiary is a person who has full power to make decisions or take action on behalf of their government, especially in a foreign country. (Collins Dictionary)

A person who has the authority to represent his or her country, especially in another country. (Cambridge Dictionary)

A person, especially a diplomat, invested with the full power of independent action on behalf of their government, typically in a foreign country. (Oxford Dictionaries)

Example

Kodokan received a visit by the Ambassador Extraordinary and Plenipotentiary of the Kyrgyz Republic in Japan.

http://kodokanjudoinstitute.org/en/news/2016/09/kodokan-received-a-visit-by-the-ambassador-extraordinary-and-plenipotentiary-of-the-kyrgyz-republic-/