Assertion and Conjecture

Assertion

Assertion noun - An idea or opinion that is put forth in a discussion or debate.
Usage example: made the unlikely assertion that gravity affects light

Conjecture and assertion are semantically related. In some cases you can use "Conjecture" instead a noun "Assertion".

Conjecture

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

Assertion and conjecture are semantically related. Sometimes you can use "Assertion" instead a noun "Conjecture".

How words are described

scientific scientific assertion scientific conjecture
Cite this Source
Conjecture and Assertion. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/assertion/conjecture
Assertion & Conjecture. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/assertion/conjecture>.
Conjecture or Assertion. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/assertion/conjecture.
Google Ngram Viewer shows how "assertion" and "conjecture" have occurred on timeline