The Collaborative International Dictionary of English v.0.48:

Enrich \En*rich"\, v. t. [imp. & p. p. Enriched; p. pr. & vb.
   n. Enriching.] [F. enrichir; pref. en- (L. in) + riche
   rich. See Rich.]
   1. To make rich with any kind of wealth; to render opulent;
      to increase the possessions of; as, to enrich the
      understanding with knowledge.
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            Seeing, Lord, your great mercy
            Us hath enriched so openly.           --Chaucer's
                                                  Dream.
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   2. To supply with ornament; to adorn; as, to enrich a ceiling
      by frescoes.
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   3. To make rich with manure; to fertilize; -- said of the
      soil; as, to enrich land by irrigation.
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   4. To supply with knowledge; to instruct; to store; -- said
      of the mind. --Sir W. Raleigh.
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