Right
Right adjective - Being in agreement with the truth or a fact or a standard.
Usage example: the obvious answer is not always the right one
Rigorous and right are semantically related in correct topic. In some cases you can use "Rigorous" instead an adjective "Right", when it comes to topics like accurate.
Cite this Source
Rigorous and Right. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/right/rigorous
Right & Rigorous. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/right/rigorous>.
Rigorous or Right. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/right/rigorous.
Google Ngram Viewer shows how "right" and "rigorous" have occurred on timeline