Efficacious
Efficacious adjective - Producing or capable of producing a desired result.
Good and efficacious are semantically related. In some cases you can use "Good" instead an adjective "Efficacious".
Good
Good adjective - Based on sound reasoning or information.
Efficacious and good are semantically related. Sometimes you can use "Efficacious" instead an adjective "Good".
Mutual synonyms
Related pairs
Both words in one sentence
- Sometimes, the Dark Side even offers itself as the efficacious means to do good, leading to the hero falling to a He Who Fights Monsters situation.
Source: The Dark Side
Cite this Source
Good and Efficacious. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/efficacious/good
Efficacious & Good. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/efficacious/good>.
Good or Efficacious. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/efficacious/good.
Google Ngram Viewer shows how "efficacious" and "good" have occurred on timeline