RICHNESS
impressiveness, grandness, magnificence, richness
(noun) splendid or imposing in size or appearance; “the grandness of the architecture”; “impressed by the richness of the flora”
richness
(noun) a strong deep vividness of hue; “the fire-light gave a richness of coloring to that side of the room”
fullness, mellowness, richness
(noun) the property of a sensation that is rich and pleasing; “the music had a fullness that echoed through the hall”; “the cheap wine had no body, no mellowness”; “he was well aware of the richness of his own appearance”
profusion, profuseness, richness, cornucopia
(noun) the property of being extremely abundant; “the profusion of detail”; “the idiomatic richness of English”
richness, rankness, prolificacy, fertility
(noun) the property of producing abundantly and sustaining vigorous and luxuriant growth; “he praised the richness of the soil”; “weeds lovely in their rankness”
richness
(noun) the quality of having high intrinsic value; “the richness of the mines and pastureland”; “the cut of her clothes and the richness of the fabric were distinctive”
affluence, richness
(noun) abundant wealth; “they studied forerunners of richness or poverty”; “the richness all around unsettled him for he had expected to find poverty”
Source: WordNet® 3.1
Etymology
Noun
richness (usually uncountable, plural richnesses)
(uncountable) The state or quality of being rich; richdom; wealth.
(uncountable) The state of having many examples or cases; abundance; profusion.
(ecology) The number of types in a community.
(countable) The result or product of being rich.
Source: Wiktionary
Rich"ness, n.
Definition: The quality or state of being rich (in any sense of the
adjective).
Source: Webster’s Unabridged Dictionary 1913 Edition