The Collaborative International Dictionary of English v.0.48:

Indoctrination \In*doc`tri*na"tion\, n.
   The act of indoctrinating, or the condition of being
   indoctrinated; instruction in the rudiments and principles of
   any science or system of belief; information. --Sir T.
   Browne.
   [1913 Webster]

WordNet (r) 3.0 (2006):

indoctrination
    n 1: teaching someone to accept doctrines uncritically

Moby Thesaurus II by Grady Ward, 1.0:

25 Moby Thesaurus words for "indoctrination":
   absorption and regurgitation, agitprop, alienation, brainwashing,
   catechization, conditioning, corruption, counterindoctrination,
   dictation, imbuement, implantation, impregnation, impression,
   inculcation, infixation, infixion, infusion, inoculation,
   instillation, instillment, propaganda, propagandism, propagandist,
   reindoctrination, subversion