Lewis Short
(adj.adv.) : pompātĭcus, a, um, adj.pompa
* Showy, pompous, splendid (post-class.): femina,Tert. Cult. Fem. 9: genus vehiculi, for state occasions,Isid. 20, 12, 3.—Hence, adv.: pompātĭcē, with display, pompously, Vulg. Amos, 6, 1; Jul. Vict. Rhet. 10, p. 233: favor,App. M. 10, p. 253, 11.
Charlton T. Lewis, Charles Short, A Latin Dictionary