1. augmentive - Noun
2. augmentive - Adjective
Serving to augment, enhance, or increase; augmentative.
Supplementary; additional.
(linguistics) Changing the meaning to one that is a larger, more complete, or more elaborate version of the original sense.
(linguistics) An augmentive affix; augmentative.
Something that augments.
Source: en.wiktionary.org