Pronunciation: (sub-stan'shē-āt"), [key]
v.t., -at•ed, -at•ing.
1. to establish by proof or competent evidence: to substantiate a charge.
2. to give substantial existence to: to substantiate an idea through action.
3. to affirm as having substance; give body to; strengthen: to substantiate a friendship.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

substantia nigrasubstantival
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