verb (v)

• make better or improve in quality(verb.change)

  Example:
  The experience enriched her understanding.
  Enriched foods.
  

  Antonym:
  deprive, impoverish
  

  source: wordnet30
• make wealthy or richer(verb.possession)

  Example:
  The oil boom enriched a lot of local people.
  

  Antonym:
  impoverish
  

  source: wordnet30
• To make rich with any kind of wealth; to render opulent; to increase the possessions of; as, to enrich the understanding with knowledge.(verb)

  source: webster1913