Established (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">established</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 proven that I've seen before include "Adjective meaning demonstrated beyond doubt" , "Conclusively demonstrated by evidence" , "Established with evidence" , "Established beyond doubt" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">established</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 planted that I've seen before include "Set in the soil for growth" , "Put in the ground" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">established</span>' is the definition.<br/ ><span class="explanation-format__explanation">('found' can be a synonym of 'establish')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Another definition for founded that I've seen is " Established, set up".)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">established</span>' is the definition.<br/ ><span class="explanation-format__explanation">('base' can be a synonym of 'establish')</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for based that I've seen before include "Located" , "Founded, grounded" , "(Of aircraft) stationed" , "Stationed (in a place)" , "Positioned" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">established</span>' is the definition.<br/ ><span class="explanation-format__explanation">(set can mean established or agreed upon)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for set that I've seen before include "Fix in place; similar group" , "Major segment of tennis match" , "Put down the tennis group" , "several games" , "Group of items of the same kind" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">established</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for long-standing that I've seen before include "Having existed for some time" , "In existence for years" , "Existing over a considerable period" , "Existing over the years" , "Well-established" .)