1. (v. i.) To rise, or tend to rise, as if lighter than the surrounding medium; to become buoyant; -- opposed to gravitate.

2. (v. t.) To make buoyant; to cause to float in the air; as, to levitate a table.

arise ascend boost buoy up cast up come up curl upwards elevate erect escalate float go up grow up heave heft heighten heist hike hoick hoist hold up jerk up knock up lift lift up lob loft loom mount perk up raise raise up rear rear up rise rise up set up sky spiral spire stand up stick up surge swarm up sweep up throw up tower up upbuoy upcast upgo upgrow upheave uphoist uphold uplift upraise uprear uprise upspin upstream upsurge upswarm upthrow upwind