Definition of "evolutionism" [ev•o•lu•tion•ism]

• A theory of biological evolution, especially that formulated by Charles Darwin. (noun)
• Advocacy of or belief in biological evolution. (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.

• "Darwin's evolutionism is only part of a radical scientific vision stretching from the first cosmic explosion to the most refined aspects of human taste and feeling."
• "BTW, I was the one arguing for the mentioning of Intelligent design in school as well as the one who states evolutionism is also a religion."
• "B) Anti-evolutionism is making great inroads in the hotbed of religious fundamentalism that is Canada."