noun.
Expressing large size, intensity, or seniority, e.g. Italian -issimo or -one
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
increasing or having the power to increase especially in size or amount or degree
adjective.
intensifying by augmentation and enhancement
Word Usage
"The term augmentative refers to the process of augmenting existing speech abilities, while the term alternative refers to the process of providing a substitute for speech [25]."