Share this entry

substantiate Line breaks: sub¦stan¦ti|ate
Pronunciation: /səbˈstanʃɪeɪt/

Definition of substantiate in English:


[with object]
Provide evidence to support or prove the truth of: they had found nothing to substantiate the allegations
More example sentences
  • Following the pattern of the previous section, evidence will be provided substantiating the veracity of the themes of the argument.
  • Yet the IGIS inquiry has provided no evidence to substantiate this conclusion.
  • Journalists try to substantiate allegations with other evidence, but this isn't always possible.
prove, give proof of, show to be true, give substance to, support, uphold, back up, bear out, justify, vindicate, validate, corroborate, verify, authenticate, confirm, endorse, give credence to, lend weight to, establish, demonstrate;


Mid 17th century: from medieval Latin substantiat- 'given substance', from the verb substantiare.



Pronunciation: /səbstanʃɪˈeɪʃ(ə)n/
Example sentences
  • It was also, clearly enough, a matter about which he was vitally concerned, given that it involved the possible corroboration and substantiation of the matters that he had already said all that he needed to say on the matter.
  • Before distributing or submitting a marketing communication for publication, marketers must hold documentary evidence to prove all claims, whether direct or implied, that are capable of objective substantiation.
  • This utilitarian consideration is arguably unfair and disrespectful of persons, and needs further factual substantiation.

Words that rhyme with substantiate

instantiate, transubstantiate

Definition of substantiate in:

Share this entry


What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day whippersnapper
Pronunciation: ˈwɪpəsnapə
a young, inexperienced person considered presumptuous or overconfident...