The Collaborative International Dictionary of English v.0.48:

Restrict \Re*strict"\, v. t. [imp. & p. p. Restricted; p. pr.
   & vb. n. Restricting.]
   To restrain within bounds; to limit; to confine; as, to
   restrict worlds to a particular meaning; to restrict a
   patient to a certain diet.
   [1913 Webster]

   Syn: To limit; bound; circumscribe; restrain; repress; curb;
        coerce.
        [1913 Webster]

WordNet (r) 3.0 (2006):

restricting
    adj 1: restricting the scope or freedom of action [syn:
           confining, constraining, constrictive, limiting,
           restricting]