1) Air-castle builders 2) American musical trio 3) American pop music group 4) Idealists, sometimes 5) Impractical ones 6) Ivory-tower inhabitants 7) Romanticists 8) The characters in Inception 9) They wish 10) Visionaries 11) Wishful thinkers Found on https://www.crosswordclues.com/clue/dreamers
(from the article `Smohalla`) ...and teacher, one of a series of such leaders who arose in response to the menace presented to Indian life and culture by the encroachment of white ... Found on http://www.britannica.com/eb/a-z/d/74