prolific
1. [ adjective ] intellectually productive
Synonyms: fertile fecund
Examples:

"a prolific writer" "a fecund imagination"

Related terms: productive
2. [ adjective ] bearing in abundance especially offspring
Synonyms: fertile
Examples:

"flying foxes are extremely prolific" "a prolific pear tree"

Related terms: fruitful
Similar spelling:   prolificacy
  proliferate
  pro-life