Come on stage (5)
I believe the answer is:
enter
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">come on stage</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for enter that I've seen before include "Go in and put in the ledger" , "Record - stage direction - come in" , "Treen (anag.)" , "Fill in" , "Register (as a competitor)" .)