noun. The character of being productive: as, the productiveness of land or labor.

noun. The state of being productive.

noun. the quality of being productive or having the power to produce

"This productiveness is determined by various circumstances, amongst others, by the average amount of skill of the workmen, the state of science, and the degree of its practical application, the social organization of production, the extent and capabilities of the means of production, and by the physical conditions."

fecundity  fruitfulness  

adaptability  cheapness  creativeness  fecundity  fertility  

abundance  access  accession  accomplishment  accretion