At its first appearance in 1690 in Antoine Furetière’s Dictionnaire universel, the term moraliste (“moralist”) simply meant an author who treated moral questions. By around 1700, however, the pejorative secondary meaning “rigorist” had been coined, referring specifically to adherents of Jansenism. Volume 10 of the Encyclopédie of Diderot and D’Alembert once more denigrated the moralist, defining him in 1765 as a vain, unsystematic littérateur aiming more to…