Learn how to say Libertinage correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word libertine:
1a person, especially a man, who freely indulges in sensual pleasures without regard to moral principles:
his image as an unbridled libertine is a total myth
2a freethinker in matters of religion.
1characterized by free indulgence in sensual pleasures:
his more libertine impulses
late Middle English (denoting a freed slave or the son of one): from Latin libertinus ‘freedman’, from liber ‘free’. In the mid 16th century, imitating French libertin, the term denoted a member of any of various antinomian sects in France; hence sense 2 of the noun