There are some spam issues in the comments, so I had to disable comment editing for a short time. It'll be back once the spam bots are gone. FYI... they leave a comment with "great" and then edit in the spam stuff later, to get around the filter.
(Mostly used in contexts of agreeing with a statement. Sometimes also for requests, but other words are usually more idiomatic there. For "consent" in the context of sex, "Einverständnis" is the best word.)