prolific
Cross references:
1. fertile
pro.lif.ic \pr*-'lif-ik\ \-'lif-i-k*-se-\ \-i-k(*-)le-\ \-ik-n*s\ aj [F
prolifique, fr. L proles progeny] 1: producing young or fruit esp. freely :
FRUITFUL archaic 2: causing abundant growth, generation, or reproduction
3: marked by abundant inventiveness or productivity {a ~ writer} -
pro.lif.i.ca.cy n
Webster's English Dictionary