modal1ty

[Eng. modal; -ity.] *1. Ord. Lang.: The quality or state of being modal; accidental difference. "By their modalities , sup posit ali ties and twenty other such chimeras."-South: Sermons, vol. iv., ser. 7. 2. Philos.: One of the four divisions of the Kantian Categories. It embraces Po ibility, Existence, and Nece ity, with their opposites Impo ibility, Nonexistence, and Contingency. [KANTIAN PHILOSOPHY.]