Palaceous

Alpina, however, has a black or brownish rachis with scattered palaceous hairs, while that of glabella is entirely smooth and green.

Source: wiktionary

What Domes palaceous! What Cathedrals grand!

Source: wiktionary

I had seen many country seats upon the road, the greater part very indifferently posted, and in great want of repair, and I think the very first that had any thing really palaceous about it was at this point, a little before the entrance to Battaglia.

Source: wiktionary

So universal is inattention to supplies of fresh air in private dwellings, even the most palaceous, it were almost a work of supererogation to quote an instance of the effects of the impure air upon their inmates, but one case which came to the writer's personal notice, was so striking, as to be deemed worthy of record.

Source: wiktionary