collectivize

Concise Oxford English Dictionary © 2008 Oxford University Press:
collectivism/kəˈlektɪvɪzəm/

▶noun

• 1 the practice or principle of giving the group priority over each individual in it.

• 2 the ownership of land and the means of production by the people or the state.

– derivatives
collectivist adjective & noun,
collectivization (or collectivisation) noun,
collectivize (or collectivise) verb.