diplomatist

[ dih-ploh-muh-tist ]

/ dɪˈploʊ mə tɪst /

British Older Use. a Foreign Office employee officially engaged as a diplomat.

a person who is astute and tactful in any negotiation or relationship.

Origin of diplomatist

First recorded in 1805–15; diplomat(ic) + -ist

The epicure, like the diplomatist, is the one who knows how to wait.

Her Royal Highness Woman |Max O'Rell
As a diplomatist, nobody save Marlborough had the same influence over men or was given equal freedom by his colleagues at home.

Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 8 |Various
After dinner I sat next to a Russian diplomatist who knew Riley.

Passing By |Maurice Baring
The diplomatist laughingly requested her to save herself anxiety on that score, while under his wing.

Evan Harrington, Complete |George Meredith

Yes; to please old Calabressa, who imagines himself a diplomatist.

Sunrise |William Black

diplomatist

/ (dɪˈpləʊmətɪst) /

a less common word for diplomat