bearing, producing, or capable of producing vegetation, crops, etc., abundantly; prolific

fertile soil.

bearing or capable of bearing offspring.

abundantly productive

a fertile imagination.

producing an abundance (usually fol. by of or in )

a land fertile of wheat.

conducive to productiveness

fertile showers.

Biology .

fertilized, as an egg or ovum; fecundated.

capable of growth or development, as seeds or eggs.

Botany .

capable of producing sexual reproductive structures.

capable of causing fertilization, as an anther with fully developed pollen.

having spore-bearing organs, as a frond.

Physics . (of a nuclide) capable of being transmuted into a fissile nuclide by irradiation with neutrons

Uranium 238 and thorium 232 are fertile nuclides. Compare fissile def. 2

produced in abundance.

adjective

barren , fruitless , impotent , infertile , sterile , unproductive , useless , infertileinfecund

adjective

abundant , arable , bearing , black , bountiful , breeding , breedy , bringing forth , childing , fecund , feracious , flowering , flowing with milk and honey , fruitful , generative , gravid , hebetic , loamy , lush , luxuriant , plenteous , plentiful , pregnant , procreant , producing , productive , proliferant , prolific , puberal , pubescent , rank , rich , spawning , teeming , uberous , vegetative , virile , with child , yielding , abounding , exuberant , fructuous , generous , hearty , in vitro , pistillate , profitable , profuse , progenitive