fertilityEnglishOxford English Thesaurusfertility noun 1 he uses compost to maintain the fertility of his land: fecundity, fruitfulness, productiveness, prolificacygenerativeness; richness, lushness. 2 happiness has an effect on one's fertility: ability to conceive, ability to have children, virility, fecundity, potency, reproductiveness.fertility Oxford Dictionary of English