- (n.) One who holds to a belief in the progression of society toward perfection.
- (n.) One who maintains the doctrine of progression in organic forms; -- opposed to uniformitarian.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). progressionist. Retrieved September 22, 2026, from http://smartdefine.org/progressionist/definitions/2049658 |
| Chicago | Webster's. 2011. "progressionist" http://smartdefine.org/progressionist/definitions/2049658 (accessed September 22, 2026). |
| Harvard | Webster's 2011, progressionist, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/progressionist/definitions/2049658>. |
| MLA | Webster's. "progressionist" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/progressionist/definitions/2049658> |