com·mon·al·ty 
(kŏmə-nəl-tē)
(kŏmə-nəl-tē)n. pl. com·mon·al·ties
1. The common people as opposed to the upper classes. Also called commonality.
2. An incorporated body; a corporation.
3. An entire group: the commonalty of laypeople.
[Middle English communalte, from Old French comunalte, from Medieval Latin commūnālitās, from Late Latin commūnālis, of the community; see COMMUNAL.]