FRUITFULNESS, noun 1. The quality of producing fruit in abundance; productiveness; fertility; as the fruitfulness of land. 2. Fecundity; the quality of being prolific, or producing many young; applied to animals. 3. Productiveness of the intellect; as the fruitfulness of the brain. 4. Exuberant abundance.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI