(v. t.) To turn up; to upheave; to direct upward; as, to upturn the ground in plowing\.

access accession accretion accrual accruement accumulation addition advance aggrandizement amplification appreciation ascent augmentation ballooning bloating boom boost bottoming out broadening buildup business cycle business fluctuations bust capsizal capsize careen clamor cock up convulsion cooling off crescendo crisis culbute culbuter depression development downturn economic cycle economic expansion economic growth edema elevation enlargement expanding economy expansion extension ferment flood gain greatening growth gush high growth rate hike increase increment inflation jump keel over leap low market expansion mounting multiplication outcry overset overthrow overturn peak peaking productiveness proliferation prosperity raise recession recovery revolution rise slope up slowdown slump snowballing somersault somerset spill spread subversion subvert surge swelling tip over topple over topsy-turvify topsy-turvy trend upwards tumescence tumult turn a somersault turn over turn topsy-turvy turn turtle turn up turn upside down turnover up upbend upcast upcurve upheaval upping upset upsurge upsweep upswing uptrend waxing widening