Having the ability or tendency to augment.
Grammar Indicating an increase in the size, force, or intensity of the meaning of an adjacent word, as up does in eat up.
Grammar An augmentative word.
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.