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Definition of substantiate

substantiate

/səbˈstæn.ʃi.eɪt/
sub · stan · ti · ate
Adjective:substantiative
•
Past Simple:substantiated
•
Past Participle:substantiated
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Present Participle:substantiating
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substantiate Lexical Profile

substantiate Game Scores & Validity

• verb

1

To provide evidence to support or prove the truth of a claim, statement, or theory.

Example

"The researcher presented three years of clinical data to substantiate her hypothesis."

2

To give concrete form or tangible reality to an abstract concept or idea.

Example

"The architect sought to substantiate the community's vision of sustainability through the design of the new civic center."

Synonyms
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Antonyms
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• Rhymes for substantiate

• Nearby Words

substandard
substantial
substantially
substantiate
substantiation
substantive
substantively

Word Origin & Etymology

Borrowed in the mid-17th century from Medieval Latin substantiatus, the past participle of substantiare ('to give substance to'), from Latin substantia ('substance, essence').

Cite this Entry

Wordmom. (2026). Definition of Substantiate. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/substantiate
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