Gradually persuade (4)
I believe the answer is:
coax
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">gradually persuade</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 coax that I've seen before include "Flatter" , "Attempt to manipulate" , "lead not to get wires crossed?" , "Persuade; type of cable" , "Get round" .)