Synonyms and related words :
accelerate, accent, accentuate, accrue, accumulate, advance, agent provocateur, aggrandize, aggravate, amplify, annoy, appreciate, augment, balloon, beef up, bloat, blow up, boom, breed, broaden, build up, complicate, concentrate, condense, consolidate, crescendo, deepen, deteriorate, develop, double, embitter, emphasize, enhance, enlarge, escalate, exacerbate, exaggerate, exalt, exasperate, focus, gain, gain strength, get ahead, go up, grow, heat up, heighten, hop up, hot up, increase, irritate, jazz up, key up, magnify, make acute, make complex, make worse, mount, multiply, proliferate, provoke, quicken, ramify, redouble, reinforce, rise, rouse, run up, sharpen, shoot up, snowball, soup up, sour, spread, step up, strengthen, stress, swell, triple, wax, whet, widen, worsen