Prompted, in a play (4)
I believe the answer is:
cued
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">prompted in a play</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 cued that I've seen before include "given a line" , "Prompted" , "Gave prompt to forgetful actor" , "Reminded" .)