Productive of, abounding in, or favorable to the growth of fruit, or useful vegetation in general: as, a, fruitful country or soil; a fruitful season; fruitful showers.Bearing offspring; prolific; not barren.Productive of results; yielding, bringing, or favoring production or acquisition in any respect: as, a fruitful enterprise or journey; fruitful investigations or thoughts; fruitful in expedients or in crimes.Plenteous; copious; bountiful.