1. A sanatorium.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• planitarium,
• sanitorium,
• sanatarium,
• sanitaruim,
• santorium,
• arisarium,
• santarium,
• sannatarium,
• sanetarium,
• sanataryum,
• sanatorium,
• aanitarium,
• zanitarium,
• sanitaryum,
• sanotarist,
• Saniterist,
• sinerarium,
• santarily,
• sanatariums,
• pseudomanibrium

• sanatorium,
• sanitariness,
• sanatarium,
• sanitary,
• saunter,
• sanitary code,
• saunterer.

The adjective form of the word "sanitarium" is "sanitarial".