curial

adj

1. Pertaining to a court; courtly.
2. Pertaining to the papal curia.

   “In favouring the well-connected, politically and culturally sophisticated Italian merchants and diplomats who regularly arrived in England on curial business Henry killed two birds with one stone, gratifying popes by the attention and respect shown to their intimates, and employing them as his own eyes and ears at Rome […].”

noun

1. A member of a curia, especially of that of Rome or the later Italian sovereignties.