Fantasised (6)
I believe the answer is:
dreamt
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fantasised</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 dreamt that I've seen before include "had visions" , "Fantasised" , "Imagined" , "Had mind pictures while asleep" , "Vainly hoped" .)