Washington, but not Jefferson
I believe the answer is:
state
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">washington but not jefferson</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for state that I've seen before include "Condition of country." , "Speak" , "eg Iowa" , "Declare - political unit" , "Express; pomp" .)