EN

Synonyms for corroborate

Synonyms by meaning

Verb

1. Confirm — to confirm or support something with additional evidence; to attest or vouch for

confirm, substantiate, support, prove, verify, validate, attest, strengthen, establish, sustain, vouch, affirm, buttress, fortify, ratify, authenticate, certify

2. Bear out

bear out, underpin

Definitions

  1. v. 1

    To confirm or support something with additional evidence; to attest or vouch for.

  2. v. 2

    To make strong; to strengthen.

Related words

Word family
corroborative

Forms

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

Choose the right word

Corroborate or Confirm?

Both confirm and corroborate presuppose something already existing to which the confirmation or corroboration is added.

J. C. Fernald, English Synonyms and Antonyms (1914)

Example sentences

  • prove Further study will prove that the theory is right.
  • confirm I will neither confirm nor deny these allegations.
  • verify Could you verify that your computer is plugged in?
  • substantiate Sami won't be able to substantiate that alibi.

Popularity over time

Word1850 → 2019Trend
corroboratesteady
provesteady
confirmrising
verifyrising
substantiatefalling

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

By length

5 letters
prove1, vouch1
6 letters
verify3, attest2, affirm2, ratify3
7 letters
support2, confirm2, sustain2, certify3, fortify3
8 letters
validate3, buttress2, underpin3
9 letters
establish3
10 letters
strengthen2
12 letters
substantiate4, authenticate4

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

In other languages

Français
corroborer
Italiano
corroborare
Español
corroborar