Gentleman

1. A well-mannered or charming man. A gentleman opens a door for a lady.
2. A man of breeding or higher class. He was a gentleman and a scholar.
3. Polite term referring to a man. Please help this gentleman find a telephone.
4. (In plural only, gentlemen) A polite form of an address to a group of men. Follow me gentlemen.
5. (plural possessive, gentleman's) Things intended for use by men. Show me the way to the gentleman's clothes department.
6. Amateur. He was a gentleman farmer.