Fruitful land or trees produce a lot of crops. a landscape that was fruitful and lush. = fertile
Something that is fruitful produces good and useful results. We had a long, happy, fruitful relationship The talks had been fruitful, but much remained to be done. = productive + fruitfully fruit·ful·ly taking their skills where they can be applied most fruitfully
Full of fruit; producing fruit abundantly; bearing results; prolific; fertile; liberal; bountiful; as, a fruitful tree, or season, or soil; a fruitful wife