Cognisant (5)
I believe the answer is:
aware
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cognisant</span>' is the definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for aware that I've seen before include "Conscious, knowing about" , "Having knowledge of, informed" , "Apprised or informed" , "Conscious, sentient" , "Informed; conscious" .)