sub·stan·ti·ate

[suhb-stan-shee-eyt]
verb (used with object), sub·stan·ti·at·ed, sub·stan·ti·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.

Origin:
1650–60; < Neo-Latin substantiātus (past participle of substantiāre), equivalent to Latin substanti(a) substance + -ātus -ate1

sub·stan·ti·a·ta·ble, adjective
sub·stan·ti·a·tion, noun
sub·stan·ti·a·tive, adjective
sub·stan·ti·a·tor, noun
non·sub·stan·ti·a·tion, noun
re·sub·stan·ti·ate, verb (used with object), re·sub·stan·ti·at·ed, re·sub·stan·ti·at·ing.
re·sub·stan·ti·a·tion, noun
un·sub·stan·ti·at·a·ble, adjective


1. prove, confirm, verify, validate.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To substantiation
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substantiation is always a great word to know.
So is gobo. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
Collins
World English Dictionary
substantiate (səbˈstænʃɪˌeɪt) [Click for IPA pronunciation guide]
 
vb
1.  to establish as valid or genuine
2.  to give form or real existence to
 
[C17: from New Latin substantiāre, from Latin substantiasubstance]
 
substanti'ation
 
n
 
sub'stantiative
 
adj
 
sub'stantiator
 
n

substantiate (səbˈstænʃɪˌeɪt) [Click for IPA pronunciation guide]
 
vb
1.  to establish as valid or genuine
2.  to give form or real existence to
 
[C17: from New Latin substantiāre, from Latin substantiasubstance]
 
substanti'ation
 
n
 
sub'stantiative
 
adj
 
sub'stantiator
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

substantiate
1657, "to make real, to give substance to," from Mod.L. substantiatus, pp. of substantiare, from L. substantia (see substance). Meaning "to demonstrate or prove" is attested from 1803.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Example sentences
Also, the articles claiming gluten-casein free diets have no substantiation,
  are not well researched.
That's the substantiation of the ghost of the father as an observer and
  commentator on what transpires.
Should they wish to advance a mobile mast theory, they are welcome, but that
  would then require legitimate substantiation.
Also when you say negative things, you are expected to present substantiation.
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