cavalier

Definitions:

To act cavalierly.
- Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914. (verb) (v.) (verb)
Like a cavalier; gay: warlike: haughty.
- The american dictionary of the english language. By Daniel Lyons. Published 1899. (adjective) (adj.) (adjective)
A knight: a partisan of Charles I.
- The american dictionary of the english language. By Daniel Lyons. Published 1899. (noun) (n.) (noun)
Sprightly; gay; brave; generous; haughty.
- Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874. (adjective) (adj.) (adjective)
Like a cavalier; brave; haughty.
- The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894. (adjective) (adj.) (adjective)
A knight or gentleman soldier; a gay military man; a lady's man; a partizan of Charles I.; an elevation for cannon within a bastion.
- Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914. (noun) (n.) (noun)
A horseman; an armed horseman; a knight; a gay soldier; in mil., an elevation of earth situated with in a work overlooking the surrounding parts.
- Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874. (noun) (n.) (noun)
A horseman; a knight.
- The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894. (noun) (n.) (noun)
Gay, easy and offhand, like a cavalier; haughty; disdainful; connected with the cavaliers.
- Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914. (adjective) (adj.) (adjective)
A partisan of Charles I in the seventeenth century.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (noun) (n.) (noun)
Of or pertaining to the adherents of Charles I.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (adjective) (adj.) (adjective)
An armed horseman; especially, a knight; a gay military man; a beau.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (noun) (n.) (noun)
CAVALIERLY.
- The american dictionary of the english language. By Daniel Lyons. Published 1899. (adverb) (adv.) (adverb)
Gay; careless; haughty; as, a cavalier refusal; Cavalier.
- The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919. (adjective) (adj.) (adjective)

Usage examples:

He is a very pretty waiting- woman, dressed out as a cavalier in a word, he is that pliant and indefatigable courtier, whom we see everywhere, and whom town and Court greet by the name of Baron de Beauvais.
- The Memoirs of Madame de Montespan, Volume VI. Being the Historic Memoirs of the Court of Louis XIV. by Madame La Marquise De Montespan
So, taking a cavalier from a man's hand, she performed the exercise with such dexterity that they wondered, whereupon she said-" Press no man, but give me press money and I will go myself."
- by
Medora took back her card, highly gratified; her cavalier had made a long stride ahead.
- Under the Skylights by Henry Blake Fuller