Authoritative
Authoritative adjective - Being the most accurate and apparently thorough.
Efficacious and authoritative are semantically related. In some cases you can use "Efficacious" instead an adjective "Authoritative".
Nearby Words: authority, authoritarian
Efficacious
Efficacious adjective - Producing or capable of producing a desired result.
Authoritative and efficacious are semantically related. Sometimes you can use "Authoritative" instead an adjective "Efficacious".
Mutual synonyms
Related pairs
- sound and authoritative
- sound and efficacious
- true and authoritative
- true and efficacious
- valid and authoritative
- valid and efficacious
- forceful and authoritative
- forceful and efficacious
- effective and authoritative
- effective and efficacious
- strong and authoritative
- strong and efficacious
- convincing and authoritative
- convincing and efficacious
Cite this Source
Efficacious and Authoritative. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/authoritative/efficacious
Authoritative & Efficacious. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/authoritative/efficacious>.
Efficacious or Authoritative. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/authoritative/efficacious.
Google Ngram Viewer shows how "authoritative" and "efficacious" have occurred on timeline