modality
Mo*dal"i*ty, n. Etym: [Cf. F. modalité.] 1. The quality or state of being modal. 2. (Logic & Metaph.) Defn: A modal relation or quality; a mode or point of view under which an object presents itself to the mind. According to Kant, the quality of propositions, as assertory, problematical, or apodeictic.