Believable
Believable adjective - Worthy of being accepted as true or reasonable.
Sincere and believable are semantically related. In some cases you can use "Sincere" instead an adjective "Believable".
Sincere
Sincere adjective - Genuine in feeling.
Believable and sincere are semantically related. Sometimes you can use "Believable" instead an adjective "Sincere".
Mutual synonyms
Cite this Source
Sincere and Believable. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/believable/sincere
Believable & Sincere. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/believable/sincere>.
Sincere or Believable. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/believable/sincere.
Google Ngram Viewer shows how "believable" and "sincere" have occurred on timeline