Strongly urge (6)
(Other definitions for enjoin that I've seen before include "Prohibit by order" , "Command, instruct" , "Direct with authority" , "Order, tell" , "Instruct (to do a thing)" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">strongly urge</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 exhort that I've seen before include "Spur on" , "Entreat earnestly, urge" , "Strongly encourage (someone to action)" , "Encourage, urge" , "Strongly urge (someone to do something)" .)