The Collaborative International Dictionary of English v.0.48:
Profuseness \Pro*fuse"ness\, n. Extravagance; profusion. [1913 Webster] Hospitality sometimes degenerates into profuseness. --Atterbury. [1913 Webster]WordNet (r) 3.0 (2006):
profuseness n 1: the property of being extremely abundant; "the profusion of detail"; "the idiomatic richness of English" [syn: profusion, profuseness, richness, cornucopia]