NECESSARILY

adv. inevitably, unavoidably, inescapably, axiomatically, inexorably, ineluctably, irresistibly, incontrovertibly, automatically, naturally, (as a matter) of course, as a result, certainly, surely, to be sure, like it or not, willy-nilly, perforce, of necessity, by definition If you accept his premise, then you must, necessarily, accept his conclusion You don't necessarily need to be rich to be happy.