The Fabian Society is a British socialist organization whose purpose is to advance the principles of democratic socialism via gradualist and reformist, rather than revolutionary, means. It is best known for its initial ground-breaking work beginning late in the 19th century and continuing up to World War I. The society laid many of the foundations of the Labour Party and subsequently affected the policies of states emerging from the decolonisation of the British Empire, especially India.
Today, the society functions primarily as a think tank and is one of 15 socialist societies affiliated with the Labour Party. Similar societies exist in Australia (the Australian Fabian Society), Canada (the Douglas-Coldwell Foundation and the now disbanded League for Social Reconstruction) and in New Zealand.
Nore information on the Wikipedia page 
The website is