Synonyms for substantiate

Most common

prove · corroborate · support · confirm · embody · body forth · realize

Synonyms by meaning

Verb

Antonyms

refute, disprove, contradict

All antonyms of substantiate →

Definitions

1. v. 1

   To verify something by supplying evidence; to authenticate or corroborate.

   The lawyer was asked to substantiate her claims.

2. v. 2

   To give material form or substance to something; to embody; to record in documents

Forms

Past participle

substantiated
e.g. substantiated → proved, corroborated, supported, confirmed…

Example sentences

• prove Further study will prove that the theory is right.
• establish You establish the property right by paying for it.
• confirm I will neither confirm nor deny these allegations.
• corroborate There was no one who could corroborate Sami's alibi.
• vouch Can anyone vouch for your whereabouts last night?

Popularity over time

Use in printed books, per decade from 1850 to 2019.

By length

5 letters

prove¹, vouch¹

6 letters

verify³, affirm², attest², embody³, ratify³

7 letters

support², realize³, confirm², realise³, sustain², certify³

8 letters

validate³, buttress²

9 letters

establish³, incarnate³, actualize⁴, actualise

11 letters

demonstrate³, corroborate⁴

12 letters

authenticate⁴

The small number after each word is its number of syllables (verify³ = 3 syllables).