A distinction is sometimes made between sanitarium (a kind of health resort, as in the Battle Creek Sanitarium) and sanatorium (a hospital). However, in America, the term sanatorium was often used throughout the 20th century as a socially acceptable term for psychiatric hospitals.
The traits of a gentleman include: A gentleman is generous with his time, wisdom, and resources. He willingly serves others and extends a hand to those in need. A gentleman possesses a positive outlook on life.
For other uses, see MR. Mister, usually written in its abbreviated form Mr. (US) or Mr (US & UK), is a commonly used English honorific for men under the rank of knighthood. The title derived from earlier forms of master, as the equivalent female titles Mrs, Miss, and Ms all derived from earlier forms of mistress.