WordNet sense 1 (based on pretense; deceptively pleasing):

meretricious, specious

WordNet sense 2 (lacking sincerity):

insincere

WordNet sense 3 (rich and superior in quality):

deluxe, grand, luxurious, opulent, princely, sumptuous

WordNet sense 4 (suggestive of or characterized by great expense):

rich

WordNet sense 5 (made from or covered with gold):

gold, golden

WordNet sense 6 (containing or made of or resembling or characteristic of a metal):

metal, metallic

WordNet sense 7 (having the deep slightly brownish color of gold):

aureate, gilt

WordNet sense 8 (being or having or characterized by hue):

chromatic