playful, often noisy, activity.
amusement, enjoyment or pleasure
Enjoyable or amusing.
Whimsical or flamboyant.
To tease, kid, poke fun at, make fun of.
The sound of laughing, produced by air so expelled; any similar sound.
A movement (usually involuntary) of the muscles of the laughing face, particularly of the lips, and of the whole body, with a peculiar expression of the eyes, indicating merriment, satisfaction or derision, and usually attended by a sonorous and interrupted expulsion of air from the lungs.