FERTILITY
richness, rankness, prolificacy, fertility
(noun) the property of producing abundantly and sustaining vigorous and luxuriant growth; “he praised the richness of the soil”; “weeds lovely in their rankness”
fertility, fecundity
(noun) the state of being fertile; capable of producing offspring
birthrate, birth rate, fertility, fertility rate, natality
(noun) the ratio of live births in an area to the population of that area; expressed per 1000 population per year
Source: WordNet® 3.1
Etymology
Noun
fertility (countable and uncountable, plural fertilities)
(uncountable) The condition, or the degree, of being fertile.
(countable) The birthrate of a population; the number of live births per 1000 people per year.
The average number of births per woman within a population.
Synonyms
• fecundity, fertileness
Antonyms
• infertility
Source: Wiktionary
Fer*til"i*ty, n. Etym: [L. fertilitas: cf. F. fertilité.]
Definition: The state or quality of being fertile or fruitful;
fruitfulness; productiveness; fecundity; richness; abundance of
resources; fertile invention; quickness; readiness; as, the fertility
of soil, or of imagination. "fertility of resource." E. Everett.
And all her husbandry doth lie on heaps Corrupting in its own
fertility. Shak.
Thy very weeds are beautiful; thy waste More rich than other climes'
fertility. Byron.
Source: Webster’s Unabridged Dictionary 1913 Edition