fe·cund 
(fēkənd, fĕkənd)
(fēkənd, fĕkənd)adj.
1.
a. Capable of producing offspring or vegetation; fruitful: The study compared demographic characteristics of infertile women with those who were fecund."The smell of mud, of mush, the primeval smell of fecund earth, seemed to sting our faces" (Joseph Conrad).
b. Characterized by or suggestive of fertility: The large aphids were more fecund than the smaller ones."Deep in the end of the back yard, the blossoming peach tree shone like a celestial sentinel. The fecund air lavished upon their faces the tenderness of a lover's adoring hands" (James Agee).
2. Characterized by intellectual productivity: a fecund mind. See Synonyms at fertile.
[Middle English, from Old French fecond, from Latin fēcundus; see dhē(i)- in the Appendix of Indo-European roots.]