Meanings
present singular third person substantiates · participle present substantiating · participle past substantiated · past substantiated
- transitiveTo verify something by supplying evidence; to authenticate or corroborate.
substantiate a claim
4 more examples
substantiate allegations
The lawyer was asked to substantiate her claims.
He could not substantiate the rumors with evidence.
However, as the hospital equipment was installed by German firms, it is thought probable that the locomotive came from the same source, and this theory is substantiated by the fact that the control mechanism is of German manufacture.
1957 December 28, H. R. Stones, “The Hellingly Hospital Railway”, in Railway Magazine, page 871Synonyms: vouch
Synonyms & antonyms
verbTo verify something by supplying evidence; to authenticate or corroborate.
More synonyms by meaning
verbestablish or strengthen as with new evidence or facts
verbmake real or concrete; give reality or substance to
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Medieval Latinsubstantiatus“given substance”
- Englishsubstantiate
From Medieval Latin substantiatus (“given substance”), from the verb substantiare, first used 1657.
More words from Medieval Latin
Full word history & related roots →Translations
Bulgarian потвърждавам
- потвърждавам (potvărždavam)to authenticate or corroborate
Danish belægge
- belæggeto authenticate or corroborate
Dutch onderbouwen
- onderbouwento authenticate or corroborate
Estonian tõendama
- tõendamato authenticate or corroborate
Finnish todistaa, tukea
- todistaato authenticate or corroborate
- tukeato authenticate or corroborate
- vahvistaato authenticate or corroborate
- todentaato authenticate or corroborate
- osoittaato authenticate or corroborate
German beglaubigen, bestätigen
- beglaubigento authenticate or corroborate
- bestätigento authenticate or corroborate
- substantiierento authenticate or corroborate
- untermauernto authenticate or corroborate
- bekräftigento record in documents
- verwirklichento record in documents
Greek τεκμηριώνω
- τεκμηριώνω (tekmirióno)to record in documents
Hungarian igazol, bizonyít
- igazolto authenticate or corroborate
- bizonyítto authenticate or corroborate
- megalapozto authenticate or corroborate
- megerősítto authenticate or corroborate
Italian dimostrare, documentare
- dimostrareto authenticate or corroborate
- documentareto record in documents
Lithuanian grįsti, pagrįsti
- grįstito authenticate or corroborate
- pagrįstito authenticate or corroborate
Māori whakatūturu
- whakatūturuto authenticate or corroborate
Polish popierać, poprzeć
- popieraćto authenticate or corroborate
- poprzećto authenticate or corroborate
Russian засвидетельствовать
- засвидетельствовать (zasvidetelʹstvovatʹ)to record in documents
Spanish confirmar, corroborar
- confirmarto authenticate or corroborate
- corroborarto authenticate or corroborate
- autenticarto authenticate or corroborate
- verificarto authenticate or corroborate
- evidenciarto authenticate or corroborate
- autentificarto authenticate or corroborate
- fundamentarto authenticate or corroborate
- substanciarto record in documents
- sustanciarto record in documents
Turkish doğrulamak, tasdik etmek
- doğrulamakto authenticate or corroborate
- tasdik etmekto authenticate or corroborate
- tahakkuk etmekto authenticate or corroborate
- gerçekleşmekto record in documents
- gerçekleştirmekto record in documents
Vietnamese củng cố
- củng cốto authenticate or corroborate
Cite this entry
substantiate. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/substantiate
“substantiate.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/substantiate. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “substantiate,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/substantiate.
Source: substantiate on Wiktionary, CC BY-SA 4.0.