Politicians-- they run things. Cities, countries, that sort of thing. Gindelwald was one, back in the day.
And really, what you want is a dictionary with definitions everyone agrees on, otherwise we'd never be able to understand each other, you know? If I say one thing, and you think it means something else, well, that's a bit of a bind.
I am perfectly serious: I am quite dashing. (Lacklustre would mean woefully unimpressive.)