FRUITFULLY
productively, fruitfully, profitably
(adverb) in a productive way; “they worked together productively for two years”
Source: WordNet® 3.1
Etymology
Adverb
fruitfully (comparative more fruitfully, superlative most fruitfully)
In a fruitful manner; productively.
Source: Wiktionary
FRUITFUL
Fruit"ful, a.
Definition: Full of fruit; producing fruit abundantly; bearing results;
prolific; fertile; liberal; bountiful; as, a fruitful tree, or
season, or soil; a fruitful wife.
– Fruit"ful*ly, adv.
– Fruit"ful*ness, n.
Be fruitful and multiply and replenish the earth. Gen. i. 28.
[Nature] By disburdening grows More fruitful. Milton.
The great fruitfulness of the poet's fancy. Addison.
Syn.
– Fertile; prolific; productive; fecund; plentiful; rich; abundant;
plenteous. See Fertile.
Source: Webster’s Unabridged Dictionary 1913 Edition