Introduce (6)

<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">introduce</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that introduce can be written as insert)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for insert that I've seen before include "supplement" , "Put in; enclosure" , "Put thing in between others" , "Loose sheet within magazine" , "Loose ad in magazine" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">introduce</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for broach that I've seen before include "Raise (a sensitive topic)" , "Begin" , "Raise a topic for discussion" , "crack" , "Pierce (a cask)" .)