rēgĭ-fĭcus — Lewis & Short
rēgĭ-fĭcus, a, um, adj.rex - facio,
I kingly, royal, regal, i. q. magnificent, sumptuous (poet.):
epulae paratae Regifico luxu,Verg. A. 6, 605; cf.:
mensae paratu Regifico,Val. Fl. 2, 652; Ambros. Virg. 3, 6, § 27. — Adv.: rēgĭfĭcē, royally, splendidly, magnificently, sumptuously: instructa domus, Enn. ap. Cic. Tusc. 3, 19, 44 (Trag. v. 122 Vahl.):
exstructae mensae,Sil. 11, 273.