We don't have synonyms for sciolist yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are scholiast, socialist and sciolism.
(n) :
one who exhibits only superficial knowledge; a self-proclaimed expert with little real understanding
"2003: Walter is [...] a dupe to the half-baked speculations of every sciolist from Descartes down to 'Coglionissimo Borri', and a pack of other dunces -- Roy Porter, Flesh in the Age of Reason (Penguin 2004, p. 290)"
(n) :
one who exhibits only superficial knowledge; a self-proclaimed expert with little real understanding
"2003: Walter is [...] a dupe to the half-baked speculations of every sciolist from Descartes down to 'Coglionissimo Borri', and a pack of other dunces -- Roy Porter, Flesh in the Age of Reason (Penguin 2004, p. 290)"