Speculation
Speculation noun - A risky undertaking.
Thought experiment and speculation are semantically related. In some cases you can use "Thought experiment" instead a noun "Speculation".
Thought experiment
Speculation and thought experiment are semantically related. You can use "Speculation" instead a noun phrase "Thought experiment".
Mutual synonyms
Cite this Source
Thought experiment and Speculation. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/speculation/thought_experiment
Speculation & Thought experiment. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/speculation/thought_experiment>.
Thought experiment or Speculation. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/speculation/thought_experiment.
Google Ngram Viewer shows how "speculation" and "thought experiment" have occurred on timeline