Get in (4,5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">get in</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for enter that I've seen before include "cross the threshold" , "Fill in" , "Make a record of" , "Gain access to" , "Come in - penetrate - record" .)