礼节性的用英语怎么说？

礼节性的

例句

• Putting on a hat can be a ceremonious act, an elegant gesture in the ritual of dressing. 戴帽子被看作一种礼节性的举动，是着装仪式上一个优雅的举动。
• She had only made me a formal curtesy. 她对我只是打个礼节性的招呼.
• His wife made no secret of her hatred for the formal occasions... 他的妻子公开表示厌恶那些礼节性的场合。
• The President paid a courtesy call on Emperor Akihito. 总统对明仁天皇进行了礼节性的拜访。