Conjecture and Substantiation

Conjecture

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

Substantiation is an antonym for conjecture.

Substantiation

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

Conjecture is an antonym for substantiation.

Cite this Source
Substantiation and Conjecture. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/conjecture/substantiation
Conjecture & Substantiation. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/conjecture/substantiation>.
Substantiation or Conjecture. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/conjecture/substantiation.
Google Ngram Viewer shows how "conjecture" and "substantiation" have occurred on timeline