The phrase "betterment for" is grammatically correct and can be used in written English.
It is typically used to express that something is being improved or made better for a particular purpose or for a group of people. Example: The new policies implemented by the company aim for betterment for its employees, providing them with more benefits and opportunities for growth.
They wanted betterment for themselves and their families.
By action, we can establish and inspire betterment for struggling blacks everywhere.
Running through this scene is the book's basic feeling: an evangelism for personal betterment, for aspirational living.
The betterment for which the assessment was levied is of a nature to enhance the value of that use.
For Mr. Phillips, a hero's journey doesn't mean betterment for all; it's about giggling into the wind while riding shotgun in a world of trouble.
For the director Todd Phillips ("The Hangover"), "a hero's journey doesn't mean betterment for all," Manohla Dargis wrote in The Times.
She also supported her husband in his reform work, especially the temperance crusade, and interested herself in projects for the betterment of opportunities for women.
If the "war on terror" is fuelled by a romantic rhetoric of war-making as self-betterment for those disgusted by the frivolity of their own culture (though the people doing the dying and the people improving their moral health are somehow never the same ones), it is in practice really more like an eighteenth-century war.
Not only for my betterment, but for my own education and the chance to extend that new understanding on how sexism works to the class and future classes.
You have to sacrifice yourself sometimes for the betterment of the team, for the betterment of your teammates.
Be aware of your attitude and behaviour toward others and either change for the betterment of yourself or for the respect of others.
