Inward feeling (5)
I believe the answer is:
sense
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">inward feeling</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 sense that I've seen before include "Practicality, often common (5)" , "Get an impression" , "Realistic attitude" , "Feeling or faculty" , "Comprehend" .)