corroborate

To corroborate is to back someone else’s story. If you swear to your teacher that you didn't throw the spitball, and your friends corroborate your story by promising that you were concentrating on math homework, she might actually believe you.

For example, a witness in court corroborates the testimony of others, and further experimentation can corroborate a scientific theory. Near synonyms are substantiate and confirm. Corroborate, originally meaning "to support or strengthen," was borrowed from Latin corrōborāre, formed from the prefix cor- "completely" plus rōborāre "to strengthen" (from rōbur "strength").

DEFINITIONS OF: corroborate

1

v give evidence for

Synonyms:
validate
Types:
circumstantiate
give circumstantial evidence for
Type of:
confirm, reassert
strengthen or make more firm

v support with evidence or authority or make more certain or confirm

Synonyms:
bear out, support, underpin
Type of:
agree, check, correspond, fit, gibe, jibe, match, tally
be compatible, similar or consistent; coincide in their characteristics

v establish or strengthen as with new evidence or facts

Synonyms:
affirm, confirm, substantiate, support, sustain
Antonyms:
contradict, negate
prove negative; show to be false
Types:
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back, back up
establish as valid or genuine
vouch
give supporting evidence
verify
confirm the truth of
demonstrate, establish, prove, shew, show
establish the validity of something, as by an example, explanation or experiment
document
support or supply with references
validate
prove valid; show or confirm the validity of something
check, check off, mark, mark off, tick, tick off
put a check mark on or near or next to
ascertain, assure, check, control, ensure, insure, see, see to it
be careful or certain to do something; make certain of something
check
verify by consulting a source or authority
prove oneself
show one's ability or courage
prove
prove formally; demonstrate by a mathematical, formal proof
source
specify the origin of
contradict, negate
prove negative; show to be false
stultify
prove to be of unsound mind or demonstrate someone's incompetence
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