Expected; proper (3)
I believe the answer is:
due
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">expected</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >'<span class="explanation-format__original">proper</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(what is due is what is proper or appropriate)</span><br/ ><br/ ></span>
(Other definitions for due that I've seen before include "Expected; proper" , "Escort" , "Proper, appropriate" , "Proper; owed" , "Entitlement" .)