If it linked to a list of definitions it will. That was the google link I used. I guess you never clicked on the link.
edit to say it's not a complex word to define the definition does exist because socialism exist
Definitions of socialism on the Web:
a political theory advocating state ownership of industry
an economic system based on state ownership of capital
wordnetweb.princeton.edu/perl/webwn
Socialism refers to the various theories of economic organization which advocate either public or direct worker ownership and administration of the means of production and allocation of resources.Newman, Michael. ...
en.wikipedia.org/wiki/Socialism
In Marxist theory, socialism refers to a specific historical phase of economic development and its corresponding set of social relations that eventually supersede capitalism. ...
en.wikipedia.org/wiki/Socialism_(Marxism)
Socialism: An Economic and Sociological Analysis is a book by Austrian School economist and libertarian thinker Ludwig von Mises, first published in German by Gustav Fischer Verlag in Jena in 1922 under the title Die Gemeinwirtschaft: Untersuchungen über den Sozialismus. ...
en.wikipedia.org/wiki/Socialism_(book)
Any of various political philosophies that support social and economic equality, collective decision-making, and public control of productive capital and natural resources, as advocated by socialists; The socialist political philosophies as a group, including Marxism, libertarian socialism ...
en.wiktionary.org/wiki/socialism
socialist - a political advocate of socialism
socialist - socialistic: advocating or following the socialist principles; "socialistic government"
wordnetweb.princeton.edu/perl/webwn
The Socialist is the weekly paper of the Socialist Party of England and Wales. It is edited and written by the members and supporters of the political party publishing it.
en.wikipedia.org/wiki/The_Socialist_(UK_newspaper)
The Italian Socialists (I Socialisti Italiani) was a minor social-democratic political party in Italy.
en.wikipedia.org/wiki/The_Socialists_(Italy)
The Socialist is the bimonthly national publication of the Socialist Party USA. As of Fall 2008, its editor is Billy Wharton, and its editorial board includes Mary-Alice Herbert, James Marra, Tina Phillips, Courtney Campbell, Steve Sears and Steve Rossignol.
en.wikipedia.org/wiki/The_Socialist_(US_newspaper)
socialistic - Of or relating to socialism
en.wiktionary.org/wiki/socialistic
adherence to the theory social organization which believes the proprietorship and the authority of the means of production, capital, land, etc. should belong to the entire community. The Socialist Party in London's day was considered a respectable alternate political party. ...
london.sonoma.edu/Essays/glossary.html
The view that the government should own and control major industries
Economics Glossary
refers to a broad array of doctrines or political movements that envisage a socio-economic system in which the ownership of industry and the distribution of wealth are determined by the state or by agents of the state or the collective. ...
Socialism - New World Encyclopedia