fecundity
noun /fɪˈkʌndəti/
/fɪˈkʌndəti/
[uncountable] (formal)- the ability to produce children, crops, etc. synonym fertility
- Fecundity declines rapidly after the age of 40.
- the ability to produce new and useful things, especially ideas
- The fecundity of her imagination remained undiminished even at 80.