Sentence:  Baden-Powell did not himself write animal stories, but when he decided to form an organisation for younger boys, modelled on the <WSD>Scouts</WSD>, ... 
Meaning of the word marked with <WSD> tags:  A worldwide youth movement with the aim of supporting young people in their physical, mental and spiritual development, so that they may play a constructive role in the society [http://www.scout.org/].