v. 25B6; verb INCREASE, add to, supplement, top up, build up, enlarge, expand, extend, raise, multiply, swell; magnify, amplify, escalate; improve, boost; informal up, jack up, hike up, bump up.
decrease.
AUGMENT
Meaning of AUGMENT in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012