1. 嬉闹,顽皮,快活：Felicity 幸福、快乐,(语言)得当、得体 | Playfulness 嬉闹,顽皮,快活 | Pedantic 卖弄学问的;学究式的,迂腐的.

2. 取乐：Dandyism 享受 | Playfulness 取乐 | Flamboyance 炫目

3. 沉默-游戏-摇摆-漂流--相田武文的设计轨迹：48.The new building embodied the idea o... | 49.Silence, Playfulness, Swing, Drifting--Works of Japanese Architect Takefumi Aida沉默-游戏-摇摆-漂流--相田武文的设计轨迹 | 50.The author of the guidebook ...

4. 玩笑; 嬉闹 (名)：playfully 好游玩地; 开玩笑地 (副) | playfulness 玩笑; 嬉闹 (名) | playgirl 好寻乐的女子 (名)

noun

1. activities that are enjoyable or amusing

e.g. I do it for the fun of it
he is fun to have around

Synonym: funmerriment

2. a disposition to find (or make) causes for amusement

e.g. her playfulness surprised me
he was fun to be with

Synonym: fun

3. a festive merry feeling

Synonym: gaiety