diversify

Short definition from Wiktionary

Verb

1. 1
   To make (something) diverse or varied in form or quality; to give variety to (something) to distinguish by numerous aspects or differences.
2. 2
   To make (something) diverse or varied in form or quality; to give variety to (something) to distinguish by numerous aspects or differences: To make the scope of (business, investments, etc.) diverse, especially so as to balance and mitigate risks.