(n.) The quality or state of being productive; productiveness.

abundance amperage amplitude armipotence authority beef black power bountifulness brute force charge charisma cloud of words clout cogence cogency compulsion copiousness creativeness creativity diffuseness diffusion diffusiveness dint drive duress effect effectiveness effectuality effusion effusiveness energy extravagance exuberance fecundity fertile mind fertility flower power fluency force force majeure forcefulness formlessness fructiferousness fruitfulness full blast full force generousness gush gushing influence ingenuity invention inventiveness logorrhea lushness luxuriance macrology main force main strength mana might might and main mightiness moxie muscle power originality outpour overflow palilogy pizzazz plenteousness plentifulness pleonasm poop potence potency potentiality power power pack power structure power struggle powerfulness pregnancy pregnant imagination prepotency procreativeness prodigality productive capacity productiveness profuseness profusion prolificacy prolificity puissance pull punch push rampancy rankness redundancy reiteration reiterativeness repetition for effect repetitiveness richness sinew steam strength strong arm superabundance superfluity superflux superiority superpower swarmingness talkativeness tautology teeming imagination teeming womb teemingness tirade validity vehemence vigor vim virility virtue virulence vitality wattage weight