monopolistic

monopolistic
    adj 1: having exclusive control over a commercial activity by
           possession or legal grant
    

Monopolistic \Mo*nop`o*lis"tic\
   (m[-o]*n[o^]p`[-o]*l[i^]s"t[i^]k), a.
   Of or pertaining to a monopolist. --North Am. Rev.
   [1913 Webster]