fecundity
US /feˈkʌn.də.t̬i/
UK /feˈkʌn.də.t̬i/

1.
the ability to produce many new ideas
:
•
The artist's fecundity was evident in the sheer volume of his creative output.
•
Her intellectual fecundity allowed her to contribute to many different fields.
2.
the ability to produce abundant healthy growth or offspring
:
•
The high fecundity of rabbits is well-known.
•
The soil's fecundity ensured a bountiful harvest.