Substantiate

medium

sub-STAN-shee-ayt

verb

Definition

To provide evidence to support or prove the truth of something

Examples

The lawyer substantiated his claims with solid evidence.
She could not substantiate her accusations against him.

Synonyms

verifyconfirmcorroboratevalidate

Antonyms

disproverefutecontradictinvalidate

Categories

GRE Tip

Substantiate is a medium-difficulty GRE word. On the GRE, you might see it paired with synonyms like "verify" or "confirm" in Sentence Equivalence questions. Look for contrast clues (however, despite, although) that signal the opposite meaning. Words like "disprove".

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