progressist: Meaning and Definition of

prog•ress•ist

Pronunciation: (prog'res-ist, -ru-sist or, esp. Brit. prō'gres-ist, -gru-sist), [key]
— n.
  1. a person favoring progress, as in politics; progressive.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.