Co'pi·ous·ness noun The state or quality of being copious; abudance; plenty; also, diffuseness in style. « To imitatethe copiousness of Homer. Dryden. » Syn. -- Abudance; plenty; richness; exuberance. Found on http://www.encyclo.co.uk/webster/C/156
copiousness 1. Having the characteristics of a more than adequate quantity or supply. 2. The state or quality of being copious; abundance; plentifulness; also, diffuseness in style, or manner, of treating a subject or topic. Found on http://www.wordinfo.info/words/index/info/view_unit/1495/