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Pronunciation:  sub'stanshee`eyt

WordNet Dictionary
  1. [v]  solidify, firm, or strengthen; "The president's trip will substantiate good relations with the former enemy country"
  2. [v]  establish or strengthen as with new evidence or facts; "his story confirmed my doubts"; "The evidence supports the defendant"
  3. [v]  make real or concrete; give reality or substance to; "our ideas must be substantiated into actions"
  4. [v]  represent in bodily form; "He embodies all that is evil wrong with the system"; "The painting substantiates the feelings of the artist"

SUBSTANTIATE is a 12 letter word that starts with S.


 Synonyms: actualise, actualize, affirm, body forth, confirm, corroborate, embody, incarnate, realise, realize, support, sustain
 Antonyms: contradict, negate
 See Also: back, back up, be, beef up, create, demonstrate, document, establish, fortify, incarnate, make, prove, shew, show, strengthen, validate, verify, vouch



Webster's 1913 Dictionary
\Sub*stan"ti*ate\, v. t. [imp. & p. p.
{Substantiated}; p. pr. & vb. n. {Substantiating}.]
1. To make to exist; to make real. --Ayliffe.

2. To establish the existence or truth of by proof or
   competent evidence; to verify; as, to substantiate a
   charge or allegation; to substantiate a declaration.

         Observation is, in turn, wanted to direct and
         substantiate the course of experiment. --Coleridge.