totemism

from WordNet (r) 3.0 (2006)

totemism
    n 1: belief in the kinship of a group of people with a common
         totem

from The Collaborative International Dictionary of English v.0.48

Totemism \To"tem*ism\, n.
   1. The system of distinguishing families, clans, etc., in a
      tribe by the totem.
      [1913 Webster]

   2. Superstitious regard for a totem; the worship of any real
      or imaginary object; nature worship. --Tylor.
      [1913 Webster]