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]WordNet (r) 3.0 (2006):
totemism n 1: belief in the kinship of a group of people with a common totem