Tableland (7)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">tableland</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for plateau that I've seen before include "Area of flat, high ground" , "Stop progressing" , "Flat-topped height" , "High level land area" , "Table" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">tableland</span>' is the definition.<br/ ><span class="explanation-format__explanation">(mesa is a kind of tableland)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for mesa that I've seen before include "Flat tableland with steep edges" , "In the USA, a steep-sided flat-topped hill" , "Isolated flat-topped hill" , "Flat tableland with steep sides" , "Flat-topped mountain" .)