substantiate

verb sub·stan·ti·ate \ səb-ˈstan(t)-shē-ˌāt \

Definition of substantiate

substantiated; substantiating
transitive verb
1 : to give substance or form to : embody
2 : to establish by proof or competent evidence : verify
  • substantiate a charge

substantiation

play \-ˌstan(t)-shē-ˈā-shən\ noun

substantiative

play \-ˈstan(t)-shē-ˌā-tiv\ adjective

Examples of substantiate in a Sentence

  1. substantiated his claim to local mountaineering fame with a photo of himself on the summit of Mount McKinley

  2. Mr. MacGregor couldn't substantiate that it was Peter, and not some other rabbit, in the cabbage patch.

Recent Examples of substantiate from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'substantiate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of substantiate

1610

Synonym Discussion of substantiate

confirm, corroborate, substantiate, verify, authenticate, validate mean to attest to the truth or validity of something. confirm implies the removing of doubts by an authoritative statement or indisputable fact.
    • confirmed the reports
corroborate suggests the strengthening of what is already partly established.
    • witnesses corroborated his story
substantiate implies the offering of evidence that sustains the contention.
    • the claims have yet to be substantiated
verify implies the establishing of correspondence of actual facts or details with those proposed or guessed at.
    • all statements of fact in the article have been verified
authenticate implies establishing genuineness by adducing legal or official documents or expert opinion.
    • handwriting experts authenticated the diaries
validate implies establishing validity by authoritative affirmation or by factual proof.
    • validated the hypothesis by experiments

SUBSTANTIATE Defined for English Language Learners

substantiate

verb

Definition of substantiate for English Language Learners

  • : to prove the truth of (something)



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