Authoritative
Authoritative adjective - Being the most accurate and apparently thorough.
Secure and authoritative are semantically related. In some cases you can use "Secure" instead an adjective "Authoritative".
Nearby Words: authority, authoritarian
Secure
Secure adjective - Having or showing great faith in oneself or one's abilities.
Authoritative and secure are semantically related. Sometimes you can use "Authoritative" instead an adjective "Secure".
Mutual synonyms
Cite this Source
Secure and Authoritative. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/authoritative/secure
Authoritative & Secure. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/authoritative/secure>.
Secure or Authoritative. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/authoritative/secure.
Google Ngram Viewer shows how "authoritative" and "secure" have occurred on timeline