English

Noun

progressist ‎(plural progressists)

1. One who makes or supports progress; a progressionist.
   • 1849, Charlotte Brontë, Shirley:

     Gérard Moore, in his double character of semi-foreigner and thoroughgoing progressist, the man most abominated.

References

• progressist in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913