PALATIAL
palatial
(adjective) suitable for or like a palace; “palatial furnishings”; “a palatial yacht”
palatial
(adjective) relating to or being a palace; “the palatial residence”
Source: WordNet® 3.1
Etymology
Adjective
palatial (comparative more palatial, superlative most palatial)
Of or relating to a palace.
On a grand scale; with very rich furnishings.
Source: Wiktionary
Pa*la"tial, a. Etym: [L. palatium palace. See Palace.]
Definition: Of or pertaining to a palace; suitable for a palace; resembling
a palace; royal; magnificent; as, palatial structures. "Palatial
style." A. Drummond.
Pa*la"tial, a. [From Palate.] (Anat.)
Definition: Palatal; palatine. [Obs.] Barrow.
Pa*la"tial, n.
Definition: A palatal letter. [Obs.] Sir W. Jones.
Source: Webster’s Unabridged Dictionary 1913 Edition