rally

1. A public gathering or mass meeting that is not mainly a protest and is organized to inspire enthusiasm for a cause.

   a campaign rally

2. A protest or demonstration for or against something, but often with speeches and often without marching, especially in North America.

   a political rally

3. A sequence of strokes between serving and scoring a point.
4. An event in which competitors drive through a series of timed special stages at intervals. The winner is the driver who completes all stages with the shortest cumulative time.
5. A recovery after a decline in prices (said of the market, stocks, etc.)

1. To collect, and reduce to order, as troops dispersed or thrown into confusion; to gather again; to reunite.
2. To come into orderly arrangement; to renew order, or united effort, as troops scattered or put to flight; to assemble; to unite.
3. To collect one's vital powers or forces; to regain health or consciousness; to recuperate.
4. To recover strength after a decline in prices; -- said of the market, stocks, etc.

noun

Good-humoured raillery.

verb

To tease; to chaff good-humouredly.