On weekends, he loves to luxuriate in the soft king-size bed at the luxury hotel.

luxuriate 是由名词 luxury（奢侈、豪华）加上动词后缀 -ate 构成的动词，意思是"享受奢侈、尽情享受"。这个词强调在舒适豪华的环境中放松享受的状态。