schematist

Noun

 * 1) One given to forming schemes.
 * 2) * August 26 1711,, letter to William King
 * He never wants a reserve upon any emergency, which would appear desperate to others; and makes little use of those thousand projectors and schematists, who are daily plying him with their visions, but to be thoroughly convinced, by the comparison, that his own notions are the best.