Guess and Substantiation

Opposite meaning words

Guess noun - An opinion or judgment based on little or no evidence.

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Substantiation is an antonym for guess.

Nearby Words: guessed, guessing

Substantiation noun - Something presented in support of the truth or accuracy of a claim.

Usage example: the signature of a witness provides substantiation that a person's will is genuine

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Guess is an antonym for substantiation.

Cite this Source

Substantiation and Guess. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/guess/substantiation

Guess & Substantiation. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/guess/substantiation>.

Substantiation or Guess. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/guess/substantiation.

Google Ngram Viewer shows how "guess" and "substantiation" have occurred on timeline