Verification (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">verification</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 proof that I've seen before include "Strength of spirit" , "Testimony" , "Convincing evidence" , "Clear evidence" , "mathematical tour de force" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">verification</span>' is the definition.<br/ ><span class="explanation-format__explanation">(corroboration is a kind of verification)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for corroboration that I've seen before include "Further proof" , "Confirmation" .)