Strongly infatuated (8)
I believe the answer is:
besotted
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">strongly infatuated</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 besotted that I've seen before include "Stupefied by infatuation" , "Foolishly infatuated" , "Head over heels in love" , "Showing foolish fondness" , "Strongly infatuated" .)