Synonyms and related words :
accelerate, add to, agent provocateur, aggrandize, aggravate, amplify, annoy, augment, beef up, better, blow up, boost, build, build up, buoy up, cast up, complicate, compound, concentrate, condense, consolidate, deepen, deteriorate, double, elevate, embitter, enhance, enlarge, erect, escalate, exacerbate, exaggerate, exasperate, expand, extend, heat up, heave, heft, heist, hike, hoick, hoist, hold up, hop up, hot up, improve, increase, intensify, irritate, jazz up, jerk up, key up, knock up, levitate, lift, lift up, lob, loft, magnify, make acute, make complex, make worse, mount, multiply, perk up, provoke, raise, raise up, ramify, rear, rear up, redouble, reinforce, rise, rouse, set up, sharpen, sky, soup up, sour, step up, stick up, strengthen, supplement, throw up, triple, up, upbuoy, upcast, upheave, uphoist, uphold, uplift, upraise, uprear, upsurge, upthrow, wax, whet, worsen