The Collaborative International Dictionary of English v.0.48:

Animalism \An"i*mal*ism\, n. [Cf. F. animalisme.]
   The state, activity, or enjoyment of animals; mere animal
   life without intellectual or moral qualities or objectives;
   preoccupation with sensual, physical, or carnal pleasures.
   [1913 Webster +PJC]

WordNet (r) 3.0 (2006):

animalism
    n 1: the doctrine that human beings are purely animal in nature
         and lacking a spiritual nature
    2: preoccupation with satisfaction of physical drives and
       appetites [syn: animalism, physicality]

Moby Thesaurus II by Grady Ward, 1.0:

63 Moby Thesaurus words for "animalism":
   Adam, Marxism, animality, atomism, beastliness, behaviorism,
   bestiality, brutality, brutishness, carnal nature,
   carnal-mindedness, carnality, coarseness, commonsense realism,
   dialectical materialism, earthiness, earthliness, empiricism,
   epiphenomenalism, fallen nature, fallen state, flesh, fleshliness,
   grossness, historical materialism, hylomorphism, hylotheism,
   hylozoism, lapsed state, lasciviousness, lecherousness, lechery,
   licentiousness, lustfulness, materialism, mechanism,
   natural realism, naturalism, new realism, nonspirituality,
   physicalism, physicism, positive philosophy, positivism,
   postlapsarian state, pragmaticism, pragmatism, realism,
   representative realism, secularism, sensualism, sensuality,
   substantialism, swinishness, temporality, the Old Adam, the beast,
   the flesh, the offending Adam, unchastity, unspirituality,
   voluptuousness, worldliness