substantiate

[suhb-stan-shee-eyt]
verb (used with object), substantiated, substantiating.
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

substantiatable, adjective
substantiation, noun
substantiative, adjective
substantiator, noun
nonsubstantiation, noun
resubstantiate, verb (used with object), resubstantiated, resubstantiating.
resubstantiation, noun
unsubstantiatable, adjective


1. prove, confirm, verify, validate.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
substantiate (səbˈstænʃɪˌeɪt)
 
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
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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
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Example sentences
But there are few good details to go on, and even less in the way of official
  substantiation.
Thank you for your attempt, but please allow me to say that your personal
  insults unfortunately lack substantiation.
Should they wish to advance a mobile mast theory, they are welcome, but that
  would then require legitimate substantiation.
We forgot what was learned a generation ago and this article is substantiation
  of the initial pessimism.
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