Idea
Idea noun - Something imagined or pictured in the mind.
Principles and idea are semantically related. In some cases you can use "Principles" instead a noun "Idea".
Principles
Principles noun - General or basic truths on which other truths or theories can be based.
Idea and principles are semantically related. Sometimes you can use "Idea" instead a noun "Principles".
Mutual synonyms
Both words in one sentence
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Instead, Silver's idea of fighting is based on principles from which you extrapolate what to do in any given situation.
- The idea is to eventually make implanted medical devices such as pacemakers self-powered by applying similar principles to the human body.
Source: Living Battery -
As for Rapture and Columbia, there's been an idea to combine the two, basically traveling ocean countries that goes via Libertarian principles, such as Laissez-faire.
Source: Video Game / BioShock
Cite this Source
Principles and Idea. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/idea/principles
Idea & Principles. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/idea/principles>.
Principles or Idea. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/idea/principles.
Google Ngram Viewer shows how "idea" and "principles" have occurred on timeline