1. 
   Progressionist
   Pro·gres'sion·ist noun 1. One who holds to a belief in the progression of society toward perfection. 2. One who maintains the doctrine of progression in organic forms; -- opposed to uniformitarian . H. Spencer.
   Found op http://www.encyclo.co.uk/webster/P/170
   
   
2. 
   Progressionist
   • (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.
   Found op http://thinkexist.com/dictionary/meaning/progressionist/
   
   

Tip: double click on a word to show its meaning.