Send into exile (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">send into exile</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for banish that I've seen before include "'Cast out, ostracise (6)'" , "outlaw" , "Send away (as punishment)" , "Expel or expatriate" , "Expel from a community or group" .)
(Other definitions for relegate that I've seen before include "Move down to a lower grade" , "Move to a lower division" , "Assign to a lower position" , "Move to a lower position" , "Downgrade" .)