Certifiable
Certifiable adjective - Being exactly as appears or as claimed.
Usage example: a professor who is regarded by his colleagues as a certifiable genius
Proper and certifiable are semantically related. In some cases you can use "Proper" instead an adjective "Certifiable".
Proper
Proper adjective - Following the established traditions of refined society and good taste.
Certifiable and proper are semantically related. Sometimes you can use "Certifiable" instead an adjective "Proper".
Cite this Source
Proper and Certifiable. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/certifiable/proper
Certifiable & Proper. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/certifiable/proper>.
Proper or Certifiable. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/certifiable/proper.
Google Ngram Viewer shows how "certifiable" and "proper" have occurred on timeline