Wiktionary
palacelike
a. Resembling or characteristic of a palace.
Usage examples of "palacelike".
Actually that was all it was, a splendidly furnished apartment with a palacelike dining salon dominating the five rooms, and one entire wall of the salon was lined with decorated mirror facings, behind which glittered hundreds of bottles of liquors.
Yet still this vast park with its mighty and palacelike, look-on-my-works-ye-mighty-and-despair central buildings was impressive.
You create a palacelike prison, as a show of respect for your prisoners.