cavalierism

From cavalier +‎ -ism.

cavalierism (countable and uncountable, plural cavalierisms)

1. The practice or principles of cavaliers; cavalier behaviour
   • 1818 July 25, Jedediah Cleishbotham [pseudonym; Walter Scott], Tales of My Landlord, Second Series, […] (The Heart of Mid-Lothian), volume (please specify |volume=I to IV), Edinburgh: […] [James Ballantyne and Co.] for Archibald Constable and Company, →OCLC:

     wine and cavalierism predominated in his upper story

• “cavalierism”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.