Reasonable
Reasonable adjective - Based on sound reasoning or information.
Usage example: those playing rules sound reasonable to me
Sure and reasonable are semantically related. In some cases you can use "Sure" instead an adjective "Reasonable".
Sure
Sure adjective - Having or showing a mind free from doubt.
Reasonable and sure are semantically related. Sometimes you can use "Reasonable" instead an adjective "Sure".
Nearby Word: surely
Both words in one sentence
- As to which doubts are reasonable and which aren't, no one's really sure about that one.
Source: Shifting the Burden of Proof - Sure is much more reasonable than what Rohoph is ranting about by the end of that chapter.
Source: Video Game / MARDEK -
Rather, it's because he has a vision of the accused being murdered in prison, and he wants to be sure there's no reasonable doubt.
Source: Jury Duty
Cite this Source
Sure and Reasonable. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/reasonable/sure
Reasonable & Sure. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/reasonable/sure>.
Sure or Reasonable. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/reasonable/sure.
Google Ngram Viewer shows how "reasonable" and "sure" have occurred on timeline