The Collaborative International Dictionary of English v.0.48:

Rusticate \Rus"ti*cate\, v. i. [imp. & p. p. Rusticated; p.
   pr. & vb. n. Rusticating.] [L. rusticaticus, p. p. of
   rusticari to rusticate. See Rustic.]
   To go into or reside in the country; to ruralize. --Pope.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Rusticate \Rus"ti*cate\, v. t.
   To require or compel to reside in the country; to banish or
   send away temporarily; to impose rustication on.
   [1913 Webster]

         The town is again beginning to be full, and the
         rusticated beauty sees an end of her banishment.
                                                  --Idler.
   [1913 Webster]

WordNet (r) 3.0 (2006):

rusticate
    v 1: live in the country and lead a rustic life
    2: send to the country; "He was rusticated for his bad behavior"
    3: suspend temporarily from college or university, in England
       [syn: send down, rusticate]
    4: give (stone) a rustic look
    5: lend a rustic character to; "rusticate the house in the
       country"