mo·nism 
(mōnĭz′əm, mŏnĭz′əm)
(mōnĭz′əm, mŏnĭz′əm)n.
Philosophy
Philosophy
1. The view in metaphysics that reality is a unified whole and that all existing things can be ascribed to or described by a single concept or system.
2. The doctrine that mind and matter are formed from, or reducible to, the same ultimate substance or principle of being.
monist n.
mo·nistic (mō-nĭstĭk, mŏ-) adj.
mo·nisti·cal·ly adv.