What is the meaning of socialisation?

noun

• The action of establishing on a socialist basis.
  • usage: "the socialization of medical services"
  • synonyms: socialization
• The act of meeting for social purposes.
  • usage: "there was too much socialization with the enlisted men"
  • synonyms: socialization, socializing, socialising
• The adoption of the behavior patterns of the surrounding culture.
  • usage: "the socialization of children to the norms of their culture"
  • synonyms: socialization, acculturation, enculturation