unction

An ointment or salve.

The King himſelf the ſacred Unction made, / As King by Office, and as Prieſt by Trade: […]

A religious or ceremonial anointing.

To be heir, and to be king / By sacred unction, thy deserved right.

A balm or something that soothes.

A quality in language, address or delivery which expresses sober and fervent emotion.

Krook almost smacks his lips with the unction of a horrible interest.

"Well, I'll say this for myself. If there's anything out of order where I'm about, I don't miss it." "I believe you," said Bradly with unction.

Unctuousness: A smug, exaggerated use of language; smarminess.