Principle
Principle noun - A basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct.
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Synonyms for Principle
Source is a synonym for principle in law topic. In some cases you can use "Source" instead a noun "Principle", when it comes to topics like postulate.
Source
Source noun - A point or place at which something is invented or provided.
How words are described
Both words in one sentence
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Mercedes Lackey, Heralds of Valdemar series has Blood Magic which operates on Cast From Hitpoints principle; the life sacrificed can be source of power for a mage.
Source: Black Magic - Another of its sucessors, UFO Robo Grendizer works with the same principle but different energy source.
Source: Phlebotinum Battery -
While they could in principle have been looking at the high-resolution source images, the dialogue seems to qualify it for this page.
Source: Enhance Button
Cite this Source
Source and Principle. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/principle/source
Principle & Source. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/principle/source>.
Source or Principle. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/principle/source.
Google Ngram Viewer shows how "principle" and "source" have occurred on timeline