Assure (8)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">assure</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for convince that I've seen before include "Satisfy as to truth" , "Win over to your point of view" , "Be persuasive" , "Make believe" , "Persuade, satisfy" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">assure</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for sew up that I've seen before include "Complete (something) satisfactorily" , "Polish off" , "Darn; conclude" , "Successfully complete" , "repair" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">assure</span>' is the definition.<br/ ><span class="explanation-format__explanation">(guaranteeing is a kind of assuring)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for guarantee that I've seen before include "Written assurance, pledge" , "Warranty, pledge" , "Formal promise of action" , "Provide financial security for" , "Undertake" .)