Up-to-dateness (8)
I believe the answer is:
currency
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">up-to-dateness</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for currency that I've seen before include "(A country's) money" , "Money in accepted use" , "Bread" , "euro?" , "Coinage - circulation" .)