Spaceman (9)
I believe the answer is:
astronaut
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">spaceman</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for astronaut that I've seen before include "High-flier" , "Space explorer" , "heavenly voyager" , "High-flyer" , "Santa tour for space traveller" .)