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sub·stan·ti·ate

(səb-stănshē-āt′)

tr.v. sub·stan·ti·at·ed, sub·stan·ti·at·ing, sub·stan·ti·ates

1. To prove the truth of or support with proof or evidence: substantiate an accusation. See Synonyms at confirm.

2. To give substance to; make real or actual.

[New Latin substantiāre, substantiāt-, from Latin substantia, substance; see SUBSTANCE.]

sub·stan′ti·ation n.

Indo-European & Semitic Roots Appendices

Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:

Indo-European Roots

Semitic Roots

The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.

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