THEORIST
theorist, theoretician, theorizer, theoriser, idealogue
(noun) someone who theorizes (especially in science or art)
Source: WordNet® 3.1
Etymology
Noun
theorist (plural theorists)
Someone who constructs theories, especially in the arts or sciences.
Synonyms
• theoretician (less common)
• theorizer / theoriser
Anagrams
• Theriots, orthites, otterish, shortite, thorites
Source: Wiktionary
The"o*rist, n. Etym: [Cf. F. théoriste.]
Definition: One who forms theories; one given to theory and speculation; a
speculatist. Cowper.
The greatest theoretists have given the preference to such a
government as that which obtains in this kingdom. Addison.
Source: Webster’s Unabridged Dictionary 1913 Edition