wellspent (adjective) fruitful: productive
Sinonime: abounding,
abundant,
advantageous,
beneficial, blooming, blossoming, breeding, childing,
conducive,
copious,
effective,
fecund,
fertile,
flourishing,
flush, fructiferous, gainful, plenteous,
plentiful,
profitable,
profuse, proliferant,
prolific, propagating, reproducing,
rewarding,
rich, spawning,
successful,
useful, well-spent,
worthwhileAntonime: barren,
impotent,
sterile, unfruitful, unproductive