The principles and practices of political progressives.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "progressivism" in a sentence
"You do realize that progressivism is the government running amuck?"
"Note to Beck the Clown: progressivism is not the “poison in our Republic”."
"Yep … just keep on hoping to find SOMETHING that refutes what I know to be true … that progressivism is going down, and going down HARD!"