Credible
Credible adjective - Worthy of being accepted as true or reasonable.
Sure and credible are semantically related. in acceptable topic. In some cases you can use "Sure" instead an adjective "Credible".
Mutual synonyms
Both words in one sentence
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More credible, sure, but definitely not less smug.
Source: Wrestling / EC3 - Welkin saves Alicia from a wholly-unnecessary suicide attack with a Cooldown Hug and a marriage proposal, and Selvaria goes through with her suicide attack out of love for Maximillian, but only after making sure the only credible threat to his victory is spared.
Source: Never a Self-Made Woman
Cite this Source
Sure and Credible. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/credible/sure
Credible & Sure. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/credible/sure>.
Sure or Credible. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/credible/sure.
Google Ngram Viewer shows how "credible" and "sure" have occurred on timeline