cosmothetic idealists

Cosmothetic \Cos`mo*thet"ic\ (k?z`m?-th?t"?k), a. [Gr. ko`smos
   universe + ??? to place or arrange.] (Metaph.)
   Assuming or positing the actual existence or reality of the
   physical or external world.
   [1913 Webster]

   {Cosmothetic idealists} (Metaph.), those who assume, without
      attempting to prove, the reality of external objects as
      corresponding to, and being the ground of, the ideas of
      which only the mind has direct cognizance.
      [1913 Webster]

            The cosmothetic idealists . . . deny that mind is
            immediately conscious of matter.      --Sir W.
                                                  Hamilton.
      [1913 Webster]