Famous, widely known (6)
I believe the answer is:
public
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">famous</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >'<span class="explanation-format__original">widely known</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ ></span>
(Other definitions for public that I've seen before include "Community in the open?" , "In open view" , "Offence against common decency" , "Serving the people" , "School or house" .)