GRANDNESS

impressiveness, grandness, magnificence, richness

(noun) splendid or imposing in size or appearance; “the grandness of the architecture”; “impressed by the richness of the flora”

magnificence, brilliance, splendor, splendour, grandeur, grandness

(noun) the quality of being magnificent or splendid or grand; “for magnificence and personal service there is the Queen’s hotel”; “his ‘Hamlet’ lacks the brilliance that one expects”; “it is the university that gives the scene its stately splendor”; “an imaginative mix of old-fashioned grandeur and colorful art”; “advertisers capitalize on the grandness and elegance it brings to their products”

enormousness, grandness, greatness, immenseness, immensity, sizeableness, vastness, wideness

(noun) unusual largeness in size or extent or number

importance, grandness

(noun) a prominent status; “a person of importance”

Source: WordNet® 3.1