English

Noun

perfectibilian ‎(plural perfectibilians)

1. (archaic) A perfectionist.

   (Can we find and add a quotation of Ed. Rev to this entry?)

"There is, nevertheless, a definite sense in which he [Karl Marx] remained both a rationalist and a perfectibilian to the end of his life. Berlin, Isaiah (2013-11-10). Karl Marx (p. 28). Princeton University Press. Kindle Edition.