Substantiation (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">substantiation</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that substantiation can be written as proof)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for proof that I've seen before include "Mathematical argument" , "Positive evidence" , "Testimony" , "Specimen" , "mathematical tour de force" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">substantiation</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for evidence that I've seen before include "Witness's testimony" , "Indication" , "Supporting facts" , "authentication" , "grounds" .)