Nailed down
Set and nailed down are semantically related. in establish topic. In some cases you can use "Set" instead the word "Nailed down" as a verb or an adjective, when it comes to topics like fix, make certain, declare the truth of something, absolutely certain.
Set
Set adjective - Being in a state of fitness for some experience or action.
Mutual synonyms
Both terms in one sentence
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But the only account truly nailed down is Set who, yes, was a vampire.
Source: Ancient Astronauts
Cite this Source
Set and Nailed down. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/nailed_down/set
Nailed down & Set. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/nailed_down/set>.
Set or Nailed down. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/nailed_down/set.
Google Ngram Viewer shows how "nailed down" and "set" have occurred on timeline