Buy (something) (8)
I believe the answer is:
purchase
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">buy something</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for purchase that I've seen before include "Leverage" , "Pay money" , "Spend some money" , "Procure" , "become an owner" .)