Cling (to) (6)
I believe the answer is:
adhere
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cling to</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 adhere that I've seen before include "paste" , "Stick to or remain faithful" , "Stick or cleave to" , "Stick to - cement" , "Stick to, cling" .)