[n] splendid or imposing in size or appearance; "the grandness of the architecture" [n] the quality of being magnificent or splendid or grand [n] unusual largeness in size or extent [n] a prominent status; "a person of importance"
brilliance, enormousness, grandeur, greatness, immenseness, immensity, importance, impressiveness, magnificence, sizeableness, splendor, splendour, vastness