
1) Doctrinaire 2) Theoriser 3) Theorist 4) Theorizer
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https://www.crosswordclues.com/clue/theoretician

1) Intellect 2) Intellectual 3) Someone who theorizes 4) Theoriser 5) Theorizer
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https://www.crosswordclues.com/clue/theoretician
[Marxism] In Marxism, a theoretician is an individual who observes and writes about the condition or dynamics of society, history, or economics, making use of the main principles of Marxian socialism in the analysis. ==Derivation of the term== The term, `theoretician` as used by Marx, originally had a much more specific meaning, where the t...
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http://en.wikipedia.org/wiki/Theoretician_(Marxism)

theoretician, theorist 1. A person who theorizes, especially one who specializes in the theory of some art, science, etc.2. One who formulates, studies, or is an expert in the theory of a science or an art.
Found on
http://www.wordinfo.info/words/index/info/view_unit/2136/
No exact match found.