WordNet (r) 3.0 (2006):

acculturation
    n 1: the adoption of the behavior patterns of the surrounding
         culture; "the socialization of children to the norms of
         their culture" [syn: socialization, socialisation,
         acculturation, enculturation]
    2: all the knowledge and values shared by a society [syn:
       acculturation, culture]
    3: the process of assimilating new ideas into an existing
       cognitive structure [syn: acculturation, assimilation]