The first; introductory (9)
I believe the answer is:
inaugural
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">the first</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">introductory</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for inaugural that I've seen before include "President's address" , "Of an opening ceremony" , "It may be delivered" , "Introductory" , "Of a speech made on taking office" .)