THEORIST, THEORETICAL, THEORY
ADJECTIVES
► FAR OUT very hard to understand; highly theoretical → 2006 US sl. (Bk.)
► PUTATIONARY based on supposition or theory → 1669 obs.
NOUNS
► RACKET a theory, an idea → L19 sl.
NOUNS – PERSON
► IDEOLOGIST a person occupied with an idea or ideas, esp. with such as are regarded as unpractical; a speculator; an idealist; a visionary; a mere theorist → 1831
► IDEOLOGUE a person occupied with an idea or ideas, esp. with such as are regarded as unpractical; a speculator; an idealist; a visionary; a mere theorist → 1815
► OPINATOR one who holds an opinion; a thinker; a theorist → 1626 obs.
► OPINIONATOR one who holds an opinion; a theorist → 1677 obs.
► PUTATIONER a theorizer → 1658 obs., derogatory
Lexicophilia 