Dictionary.com
definitions

collectivize

[kuh-lek-tuh-vahyz]
verb (used with object), col·lec·ti·vized, col·lec·ti·viz·ing.
  1. to organize (a people, industry, economy, etc.) according to the principles of collectivism.
Also especially British, col·lec·ti·vise.

Origin of collectivize

First recorded in 1890–95; collective + -ize
Related formscol·lec·ti·vi·za·tion, nounde·col·lec·ti·vize, verb (used with object), de·col·lec·ti·vized, de·col·lec·ti·viz·ing.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for collectivize

collectivize

collectivise

verb
  1. (tr) to organize according to the principles of collectivism
Derived Formscollectivization or collectivisation, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012