v. 25B6; verb ESCALATE, increase, step up, boost, raise, strengthen, augment, reinforce; pick up, build up, heighten, deepen, extend, expand, amplify, magnify; aggravate, exacerbate, worsen, inflame, compound.
abate.
INTENSIFY
Meaning of INTENSIFY in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012