Reasonist n. : A rationalist.

Example:
Reasonist: If I'm not being logical, why can't you persuade me that I've committed any logical fallacies?

Taxonomy
Ethan Allen, rational argument, The Reason, Around the World, the principles, dethrone, conviction, American, Revolutionist, KTR, Design, GSS, MISSION STATEMENT.

Defination from the web: