Reverse Dictionary: PRODUCTIVE

ADJECTIVES
► FECUNDIOUS productive, fruitful → 1630 obs.
► FECUNDOUS productive, fruitful → 1737 obs.
► GROWTHSOME productive, fertile → 1610 obs.

NOUNS
► EFFICIENCE causative or productive activity; productiveness → 1669 arch.
► FECUNDITY productiveness in general, a being fruitful → 1555 

VERBS
► FECUNDATE to render productive or fruitful → 1631 
► FECUNDIFY to render productive or fruitful → 1730 obs.
► FECUNDIZE to render productive or fruitful → 1828 
► PONDRE to be productive; to multiply → 1450 obs.
► TIDDER to be prolific or productive; to produce offspring → a1000  obs.