This memory foam pillow is soft and resilient, quickly regaining its shape after being squished.

resilient 来自动词 resile（弹回），由前缀 re-（表示"重新"）和词根 -sil-（跳、弹）组成，加上形容词后缀 -ent，字面意思是"能重新弹起的"，引申为"有弹性的、能恢复原状的"。