grand

adjective

used of a person's appearance or behavior

distinguished
the most important and magnificent in adornment
“grand ballroom”
of behavior that is impressive and ambitious in scale or scope

heroic
large and impressive in physical size or extent
“the bridge is a grand structure”
of high moral or intellectual value

sublime
of or befitting a lord

augustlordly
extraordinarily good or great

wondrous
rich and superior in quality

gilded

noun

a piano with the strings on a horizontal harp-shaped frame

grand piano
the cardinal number that is the product of 10 and 100

thousandone thousandyardchiliadthou