An entity which is part of, and participates in, a larger social group or society.

Of or pertaining to social democracy.

(collective, sociology) A network of personal or business contacts, especially as facilitated by social networking on the Internet.

(Internet) A web page on a social media site that displays an individual user's activity, friends list, etc.

plural of social democracy

Someone who only drinks alcohol when with acquaintances who are drinking.

Someone who only smokes with other people who are smoking.

(uncountable) Shared or interactive trade in financial goods and services, through primarily online means. / (uncountable) Online financial trading conducted by means of a social network.

(idiomatic) The hierarchy of a society.

plural of social insect