expand

verb11

1. •
   To change (something) from a smaller form or size to a larger one; to spread out or lay open.

   • You can expand this compact umbrella to cover a large table.
2. •
   To increase the extent, number, volume or scope of (something).

   • A flower expands its leaves.
3. •
   To change or grow from smaller to larger in form, number, or size.

   • Many materials expand when heated.
   • This compact umbrella expands to cover a large table.
4. •
   To increase in extent, number, volume or scope.
5. •
   To express (something) at length and/or in detail.
6. •
   To speak or write at length or in detail.

   • He expanded on his plans for the business.
7. •
   In a hierarchical list (such as a directory tree or table of contents), to show the subentries of (an entry).
8. •
   To rewrite (an expression) as a longer, yet equivalent, sum of terms.
9. •
   To multiply both the numerator and the denominator of a fraction by the same (non-zero) number (which yields a fraction of equal value).
10. •
    To become, by rewriting, a longer, yet equivalent, sum of terms.
11. •
    To feel generous or optimistic.