Acumen (7)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">acumen</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for astuteness that I've seen before include "perception" , "Sagacity" , "Penetration" , "Shrewdness" , "Canny" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">acumen</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for insight that I've seen before include "Acute understanding" , "Furniture from Princes Street for" , "Intuitive understanding" , "what psychoanalysts hope to gain" , "Ability to understand" .)