(n.) The state or quality of being fertile or fruitful; fruitfulness; productiveness; fecundity; richness; abundance of resources; fertile invention; quickness; readiness; as, the fertility of soil, or of imagination.

abundance affluence ample sufficiency ampleness amplitude avalanche bonanza bountifulness bountiousness bumper crop cloud of words copiousness creativeness creativity diffuseness diffusion diffusiveness effusion effusiveness extravagance exuberance fecundity fertile mind flood flow fluency foison formlessness fructiferousness fruitfulness full measure fullness generosity generousness great abundance great plenty gush gushing ingenuity invention inventiveness landslide lavishness liberality liberalness logorrhea lots lushness luxuriance macrology maximum more than enough much myriad myriads numerousness opulence opulency originality outpour outpouring overflow palilogy plenitude plenteousness plentifulness plenty pleonasm pregnancy pregnant imagination prevalence procreativeness prodigality productive capacity productiveness productivity profuseness profusion prolificacy prolificity quantities rampancy rankness redundancy reiteration reiterativeness repetition for effect repetitiveness repleteness repletion resourcefulness rich harvest rich vein richness riot riotousness scads shower spate stream substantiality substantialness superabundance superfluity superflux swarmingness talkativeness tautology teeming imagination teeming womb teemingness tirade wealth