Synonyms for Gentlemen:

n.

•good people (noun)
Saints, Worthies, good men, angels, good women, Gentlewomen, good examples, salts of the earth, Heroes, models, paragons.
•men (noun)
gents, boys, hombres, guys, bucks, men, manhoods, Chaps, Males, fellows.

Usage examples for Gentlemen

1. Gentlemen may cry " Peace, peace!" – The Art of Public Speaking by Dale Carnagey (AKA Dale Carnegie) and J. Berg Esenwein

2. Remember, gentlemen to give every one his turn!" – Together by Robert Herrick (1868-1938)

3. Lady Helena, without speaking to either of the gentlemen went to the door where the girl stood. – Dora Thorne by Charlotte M. Braeme