Make larger or distend.

Roget 880: be vain etc. adj., be vain of; pique oneself etc. (pride) 878; lay the flattering unction to one's soul.    have too high an opinion of oneself, have an overweening opinion of oneself, have too high an opinion of one's talents; blind oneself as to one's own merit; not think small beer of oneself, not think vin ordinaire of oneself [Fr.]; put oneself forward; fish for compliments; give oneself airs etc. (assume) 885; boast etc. 884.    render vain etc. adj.; inspire with vanity etc. n.; inflate, puff up, turn up, turn one's head.    ... show more

To swell or cause to enlarge.

synonyms: blow up, puff, puff out.

Become filled with pride, arrogance, or anger.

synonym: swell.

Praise extravagantly.

synonym: puff.