Source : Webster's Revised Unabridged Dictionary (1913)

Separatism \Sep"a*ra*tism\, n. [CF. F. s['e]paratisme.]
   The character or act of a separatist; disposition to withdraw
   from a church; the practice of so withdrawing.

Source : WordNet®

separatism
     n 1: a social system that provides separate facilities for
          minority groups [syn: {segregation}]
     2: a disposition toward schism and secession from a larger
        group; the principles and practices of separatists;
        "separatism is a serious problem in Quebec"; "demands for
        some form of separatism on grounds of religion have been
        perceived as a threat to mainstream education"