1) French word used in English 2) Like a house fit for royalty 3) Like the Alcazar 4) Magnificient 5) Majestic 6) Of a house fit for a king 7) Relating to or being a palace 8) Residence 9) Spacious and grand 10) Spacious and splendid 11) Suitable for or like a palace Found on https://www.crosswordclues.com/clue/palatial
• (a.) Of or pertaining to a palace; suitable for a palace; resembling a palace; royal; magnificent; as, palatial structures. • (n.) A palatal letter. • (a.) Palatal; palatine. Found on http://thinkexist.com/dictionary/meaning/palatial/
Pa·la'tial adjective [ Latin palatium palace. See Palace .] Of or pertaining to a palace; suitable for a palace; resembling a palace; royal; magnificent; as, palatial structures. ' Palatial style.' A. Drummond. Found on http://www.encyclo.co.uk/webster/P/5