1. Action; process: appeasement.
2. Result of an action or process: advancement.
3. Means, instrument, or agent of an action or process: adornment.
[Middle English, from Old French, from Latin -mentum, n. suff.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
suffix forming nouns
1. indicating state, condition, or quality: enjoyment.
2. indicating the result or product of an action: embankment.
3. indicating process or action: management.
[from French, from Latin -mentum]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a suffix of nouns that denote an action or resulting state (abridgment; refreshment), a product (fragment), or means (ornament).
[< French < Latin -mentum, suffix forming nouns, usually from verbs]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.