Wishful thinking (4,5)
(Other definitions for pipe dream that I've seen before include "Fanciful or impossible plan" , "Sherlock's flight of fancy" , "Fanciful hope" , "Fantastic but vain hope" , "Unattainable hope" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">wishful thinking</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for daydream that I've seen before include "Indulge in a fantasy" , "Distracting thoughts" , "(Indulge in) idle reverie" , "Wool-gather" , "Diurnal reveries" .)
(Other definitions for hopes that I've seen before include "Aspires" , "Believes that good things may happen" , "Desires and expects" , "Aspirations, wishes" , "Expectations" .)