From The Collaborative International Dictionary of English v.0.44 [gcide]:
Separatism \Sep"a*ra*tism\, noun [CF. F. s['e]paratisme.] The character or act of a separatist; disposition to withdraw from a church; the practice of so withdrawing.
From WordNet (r) 2.0 [wn]:
noun
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"
From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:
30 Moby Thesaurus words for "separatism": abstraction, alienation, apartheid, detachment, disarticulation, disassociation, disconnectedness, disconnection, discontinuity, disengagement, disjointing, disjunction, dislocation, disunion, division, divorce, divorcement, incoherence, isolation, luxation, parting, partition, removal, segmentation, separateness, separation, subdivision, subtraction, withdrawal, zoning
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