access accession accretion accrual accruement accumulation add to addition advance aggrandize aggrandizement airing amble amplification amplify appreciation ascent augment augmentation backpack ballooning bloat bloating blow up boom boost broaden broadening build build up buildup bulk bulk out buoy up cast up constitutional crescendo defile develop development dilate distend edema elevate elevation enlarge enlargement erect escalate exalt expand expansion explore extend extension fatten file file off fill out flood footslog forced march gain glee go on parade goose-step greatening growth gush heave heft heighten heist hike up hoick hoist hold up huff increase increment inflate inflation jack up jaunt jerk up jocularity jocundity jollity joviality jump jump up knock up leap lengthen levitate lift lift up lob loft magnify march maximize merriment mounting multiplication mush parade parlay peripatetic journey peripateticism perk up productiveness proliferation promenade puff puff up pump pump up put up pyramid raise raise up ramble rarefy rear rear up rise rove saunter schlep set up sky snowballing spread stick up stretch stroll sufflate surge swell swelling thicken throw up traipse tramp trudge tumescence turn up upbuoy upcast upheave uphoist uphold uplift upping upraise uprear upsurge upswing upthrow uptrend upturn walk walkabout walking tour wander waxing widen widening