The DICT Development Group

  131 Moby Thesaurus words for "productive":
     able, abounding, abundant, adequate, advantageous, affluent,
     all-sufficing, ample, aplenty, banausic, blooming, bottomless,
     bounteous, bountiful, breadwinning, bursting, bursting out,
     capable, causative, competent, conceptive, conceptual,
     constructive, copious, creative, demiurgic, diffuse, diffusive,
     dynamic, effective, effectual, efficacious, efficient, effuse,
     effusive, epidemic, equal to, esemplastic, exhaustless,
     extravagant, exuberant, fat, fecund, fertile, flourishing, flush,
     formative, formless, fructiferous, fruitful, full, gainful, galore,
     generative, generous, germinal, gushing, gushy, ideational,
     ideative, imaginative, in plenty, in quantity, inexhaustible,
     ingenious, inspired, inventive, lavish, liberal, lucrative, lush,
     luxuriant, many, maximal, moneymaking, much, notional, numerous,
     opulent, original, originative, overflowing, paying, plenitudinous,
     plenteous, plentiful, plenty, pleonastic, pregnant, prevailing,
     prevalent, prodigal, proficient, profitable, profuse, profusive,
     proliferous, prolific, rampant, redundant, reiterative,
     remunerative, repetitive, replete, resourceful, rewarding, rich,
     rife, riotous, running over, seminal, shaping, spawning,
     superabundant, swarming, tautologous, teeming, thriving, uberous,
     up to, valuable, vigorous, visioned, wealthy, well-found,
     well-furnished, well-paying, well-provided, well-stocked,
     wholesale, worthwhile