fecundity

from WordNet (r) 3.0 (2006)

fecundity
    n 1: the intellectual productivity of a creative imagination
         [syn: {fecundity}, {fruitfulness}]
    2: the state of being fertile; capable of producing offspring
       [syn: {fertility}, {fecundity}] [ant: {infertility},
       {sterility}]
    3: the quality of something that causes or assists healthy
       growth [syn: {fruitfulness}, {fecundity}] [ant: {aridity},
       {barrenness}, {fruitlessness}]

from The Collaborative International Dictionary of English v.0.48

Fecundity \Fe*cun"di*ty\, n. [L. fecunditas: cf. F.
   f['e]condit['e]. See {Fecund}.]
   1. The quality or power of producing fruit; fruitfulness;
      especially (Biol.), the quality in female organisms of
      reproducing rapidly and in great numbers.
      [1913 Webster]

   2. The power of germinating; as in seeds.
      [1913 Webster]

   3. The power of bringing forth in abundance; fertility;
      richness of invention; as, the fecundity of God's creative
      power. --Bentley.
      [1913 Webster]