Synonyms for Fruitful (same or very similar meaning)
WordNet sense 1 (productive of profit):
profitable
WordNet sense 2 (producing or capable of producing (especially abundantly)):
productive
WordNet sense 3 (bearing in abundance especially offspring):
fertile, prolific
WordNet sense 4 (marked by great fruitfulness):
fat, rich
WordNet sense 5 (producing in abundance):
bountiful, plentiful
From the ODE community, based on WordNet
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