inflate

/in-ˈflāt/

Middle English, from Latin inflatus, past participle of inflare, from in- + flare to blow

verb

to swell or distend with air or gas
to puff up : elate
to expand or increase abnormally or imprudently

expand amplify swell distend inflate dilate mean to increase in size or volume. expand may apply regardless of the manner of increase (such as growth, unfolding, addition of parts). amplify implies the extension or enlargement of something inadequate.