Fertileness, also known as fertility, is an important aspect of agriculture, gardening and human biology. Synonyms for this term include fecundity, fruitfulness, richness, productiveness, prolificacy, potency and fertility rate. Fecundity is a measure of the ability to produce offspring, while fruitfulness refers to the ability to produce fruit. Richness is associated with soil fertility, while productiveness and prolificacy are related to the yield of crops or offspring. Potency implies strength and vigor, and fertility rate is a quantitative measure of fertility in populations. Whatever the context, these synonyms reflect the importance of fertility in sustaining life and ensuring the continuity of species.