Reader Andy Lask reported that a Google search for define:conclusory lists us as the second entry, below Google’s general list of definitions, and above the independent entries for several dictionaries. And a general Google search for conclusory lists us first, at least when I run it from my computer. No-one is more conclusory than we are!
UPDATE: Prof. Donald Kochan has just posted a forthcoming article on the word and its relevance to various legal doctrines.