Roget's Thesaurus of English Words and Phrases by Peter Mark Roget

168. Productiveness — N. productiveness &c adj.; fecundity, fertility,

luxuriance, uberty†. pregnancy, pullulation, fructification, multiplication, propagation, procreation; superfetation. milch cow, rabbit, hydra, warren, seed plot, land flowing with milk and honey; second crop, aftermath; aftercrop, aftergrowth†; arrish†, eddish†, rowen†; protoplasm; fertilization. V. make productive &c adj.; fructify; procreate, generate, fertilize, spermative†, impregnate; fecundate, fecundify†; teem, multiply; produce &c 161; conceive. Adj. productive, prolific; teeming, teemful†; fertile, fruitful, frugiferous†, fruit-bearing; fecund, luxuriant; pregnant, uberous†. procreant†, procreative; generative, life-giving, spermatic; multiparous; omnific†, propagable. parturient &c (producing) 161; profitable &c (useful) 644.