Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.

Class I. Words Expressing Abstract Relations
Section VIII. Causation
3. Power in Operation

168. Productiveness.

   NOUN:PRODUCTIVENESS &c. adj.; fecundity, fertilization, fertility, luxuriance, uberty [obs.].
  [COMPARISONS] milch cow, rabbit, hydra, warren, seed plot, land flowing with milk and honey.
  AFTERMATH, second crop, aftercrop, aftergrowth, arrish [dial. Eng.], eddish [dial. Eng.], rowen.
  MULTIPLICATION, multiparity, propagation, procreation; superfetation, pregnancy, pullulation [rare], fructification.
   VERB:MAKE PRODUCTIVE &c. adj.; fructify; procreate, pullulate, generate, fertilize, spermatize, impregnate; fecundate, fecundify; teem, spawn, multiply; produce [See Production]; conceive.
   ADJECTIVE:PRODUCTIVE, prolific, copious; teeming, teemful [dial.]; fertile, fruitful, frugiferous [obs.], fructuous [rare], plenteous, proliferous, fructiferous, fruitbearing; fecund, luxuriant; pregnant, uberous.
  PROCREANT, procreative; generative, life-giving, spermatic, inceptive, originative; multiparous; omnific; propagable.
  parturient (producing) [See Production]; profitable (useful) [See Utility].