Cosmos (8)
I believe the answer is:
universe
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cosmos</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for universe that I've seen before include "The earth and all the heavenly bodies" , "Everything that exists, everywhere" , "Sphere of thought" , "The totality of matter, energy and space" , "Everything, really" .)