verb (v)

• make (more) diverse(verb.change)

  Example:
  Diversify a course of study.
  

  source: wordnet30
• spread into new habitats and produce variety or variegate(verb.change)

  Synonym:
  radiate
  

  source: wordnet30
• vary in order to spread risk or to expand(verb.change)

  Synonym:
  branch out, broaden
  Antonym:
  narrow, narrow down, specialise, specialize
  

  source: wordnet30
• To make diverse or various in form or quality; to give variety to; to variegate; to distinguish by numerous differences or aspects.(verb)

  source: webster1913