enrichment
noun /ɪnˈrɪtʃmənt/
  /ɪnˈrɪtʃmənt/
[uncountable]- the act of improving the quality of something, often by adding something to it
- enrichment of the soil for more plant growth
 - Environmental enrichment helps to prevent boredom and bad habits from developing in caged animals.
 - environments where young people can experience cultural enrichment
 - Qualifying students are invited to attend a six-week summer enrichment programme.
 
 - the act of making somebody/something rich or richer
- the drive for profit and personal enrichment