治愈 (zhì yù) means to cure a disease or injury through medical treatment, and figuratively describes something emotionally healing or heartwarming. Unlike 愈合 (yù hé), which refers to a wound or fracture closing on its own (the body heals naturally), 治愈 emphasizes an active curative action. In its figurative sense, it contrasts with 振奋 (zhèn fèn), which means to inspire or boost morale with energy, while 治愈 focuses on soothing and restoring emotional peace.