complaisance
词根词缀：
complaisance n. 彬彬有礼；殷勤，顺从
com 加强 + plais 高兴 + ance 状态 → 大家都高兴的状态 → 彬彬有礼
complaisant adj. 讨好的
com 加强 + plais 高兴 + ant …的，具有…性质的 → 使高兴 → 讨好的
数据来源：新东方英语词汇速记大全
相关例句：
Application of Stress and Complaisance Distention of Extrahepatic Bile Ducts in Reconstruction of Biliary Tract Injury in Dogs
犬肝外胆管的应力&应变性扩张及其在胆道损伤重建术中的应用
He is indeed& but considering the inducement, my dear Miss Eliza, we cannot wonder at his complaisance; for who would object to such a partner?
他真的太客气了&可是，亲爱的伊丽莎小姐，看他这样求你，你总还会怪他多礼吧。谁不想要象你这样的一个舞伴？
Correlative control study about carotid artery complaisance in hypertension patients 80 years of age or older Gender and Age Distributions of Middle and Old Aged People with Osteoarthritis in Fuzhou
老老年人高血压与颈动脉顺应性的关系福州市中老年人骨性关节炎的性别和年龄分布
Anne had always felt that she would pretend what was proper on her arrival, but the complaisance of the others was unlooked for.
安妮总是觉得，她一到来，克莱夫人就会装出礼貌周到的样子，然而另外两个人的如此多礼却是没有料到的。