embetter

From em- +‎ better.

embetter (third-person singular simple present embetters, present participle embettering, simple past and past participle embettered)

1. (transitive) To make better; improve.
   • Samuel Daniel

     For cruelty doth not embetter men,
     But them more wary make than they have been.

   • 2004, George W. Bush:

     But they're allowed to use the money to change hearts and souls, to help save lives, to embetter the world we live in.

   • 2015, Paulos Z. Huang, Yearbook of Chinese Theology 2015, page 11:

     In order to embetter participation in global cultural dialogue, China has promoted dialogue at home, and has greatly adjusted the relationship between religion and Chinese society.

• embetterment

• embitter