man of the world

plural men of the world

1. A worldly or sophisticated man, one well versed in the ways and dealings of humankind.

   1 more example

   I presume that there is no gentleman in Europe that has not heard of the house of Barry of Barryogue, of the kingdom of Ireland, than which a more famous name is not to be found in Gwillim or D’Hozier; and though, as a man of the world, I have learned to despise heartily the claims of some pretenders to high birth who have no more genealogy than the lacquey who cleans my boots, […]

   1844 January–December, W[illiam] M[akepeace] Thackeray, “My Pedigree and Family.—Undergo the Influence of the Tender Passion.”, in “The Memoirs of Barry Lyndon, Esq. [The Luck of Barry Lyndon.]”, in Miscellanies: Prose and Verse, volume III, London: Bradbury and Evans, […], published 1856, →OCLC, page 3