| giggling(noun, verb, sound, happiness) |
| laughing(noun, verb, adjective, silly) |
| chuckle(noun, sound, happiness, amusement) |
| amusement(noun, sound, happiness, roar) |
| babbling(roar, laughing) |
| bubbling(roar, laughing) |
| burbling(roar, laughing) |
| cachinnation(sound, happiness, amusement, roar) |
| cackle(sound, happiness, amusement, roar) |
| chortle(noun, sound, happiness, amusement) |
| crack-up(happiness, amusement, roar, laugh) |
| crow(sound, happiness, amusement, roar) |
| gesture(sound, happiness, amusement, roar) |
| giggle(noun, sound, happiness, amusement) |
| glee(sound, happiness, amusement, roar) |
| guffaw(noun, sound, happiness, amusement) |
| hilarity(sound, happiness, amusement, roar) |
| howling(sound, happiness, amusement, roar) |
| merriment(noun, sound, happiness, amusement) |
| mirth(sound, happiness, amusement, roar) |