Discreet (11)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">discreet</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that discreet can be written as circumspect)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Another definition for circumspect that I've seen is " Prudent, cautious".)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">discreet</span>' is the definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for tactful that I've seen before include "Sensitive to others on difficult issues" , "using diplomacy" , "Delicate" , "Polite" , "Showing sensitivity towards others" .)