Accentuation (8)
I believe the answer is:
emphasis
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">accentuation</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for emphasis that I've seen before include "Stress, special importance" , "Stress or significance" , "Force" , "Stress laid on, eg, words" , "Stress given to a word" .)