The Collaborative International Dictionary of English v.0.48:

Mense \Mense\, n. [OE. menske, AS. mennisc human, man. See
   Man.]
   Manliness; dignity; comeliness; civility. [Prov. Eng. &
   Scot.] -- Mense"ful, a. -- Mense"less, a.
   [1913 Webster]