Fit well together (4)
I believe the answer is:
mesh
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fit well together</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for mesh that I've seen before include "Net fabric" , "Become entangled - become engaged" , "Web" , "Knit or weave for Shem" , "Undeviating" .)