verb (used with object), so·cial·ized, so·cial·iz·ing.
verb (used without object), so·cial·ized, so·cial·iz·ing.
to associate or mingle sociably with others: to socialize with one's fellow workers.
Also especially British, so·cial·ise.
Origin of socialize
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(intr) to behave in a friendly or sociable manner
(tr) to prepare for life in society
(tr) mainly US to alter or create so as to be in accordance with socialist principles, as by nationalization
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
1828, "to render social," from social (adj.). Meaning "to be sociable, to mingle" is recorded from 1895. Meaning "to make socialistic" is from 1846. Related: Socialized; socializing. The phrasing in socialized medicine is by 1912.
Online Etymology Dictionary, © 2010 Douglas Harper