verb (v)

• become productive or fruitful(verb.change)

  source: wordnet30
• make productive or fruitful(verb.change)

  source: wordnet30
• bear fruit(verb.body)

  Example:
  The apple trees fructify.
  

  Synonym:
  fruit, set
  

  source: wordnet30
• To bear fruit.(verb)

  source: webster1913
• To make fruitful; to render productive; to fertilize; as, to fructify the earth.(verb)

  source: webster1913