Irish Republic (4)
I believe the answer is:
eire
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">irish republic</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for eire that I've seen before include "Official name of the Irish Republic, 1937-49" , "Former name for the Republic of Ireland" , "Look for (something to happen)" , "island" , "Former name of the Irish Republic" .)