Adjective
Fruitful; productive; profitable.
Source: Webster's dictionaryO maister deere and Fadir reverent, Mi maister Chaucer, flour of eloquence, Mirour of fructuous entendement, O, universel fadir in science! Allas! þat þou thyn excellent prudence In þi bed mortel mightist naght by-qwethe; What eiled deth? allas! whi wolde he sle the? Thomas Occleve