"the most beneficent regime in history"

While the previous contributor used beneficent correctly, this example most likely will not help as it a fragment and offers little context.

I explain here how to use beneficent in a sentence:

WikiAnswers: How to use beneficent in a sentence.

How_do_you_use_beneficent_in_a_sentence

Here is a literary example of beneficent in a sentence:In no other way can I account for its having leaped so far out of the water--a beneficent circumstance to which I doubtless owe my life, and that of another far dearer to me than my own. - "The Land That Time Forgot" by Edgar Rice Burroughs