notionist

English

Etymology

From notion +‎ -ist.

Noun

notionist (plural notionists)

1. One whose opinions are ungrounded notions.
   • a. 1690, Ezekiel Hopkins, A Discourse concerning the Use of the Holy Scriptures:

     Content not yourselves with some part of it, that you read the gospel, or new Testament, but neglect the old as is the practice of some flush notionist.