How do you spell broughten?

"Broughten" is not a standard English word. The correct spelling depends on the word you are trying to write:

* Brought: This is the past participle of "bring." It means "to have taken something to a place or person."

* Brighten: This means "to make or become brighter."

If you are looking for a specific word, please provide more context so I can help you with the correct spelling.