Scale, magnitude (6)
I believe the answer is:
extent
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">scale</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >'<span class="explanation-format__original">magnitude</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(extent is a kind of magnitude)</span><br/ ><br/ ></span>
(Other definitions for extent that I've seen before include "A cake; last word of Macbeth" , "Area; size" , "Range or scope of something" , "reach?" , "Bulk - compass" .)