cachinnateEnglishMerriam-Webster Dictionarysiveclean, correct, decent, decorous, moral, proper, respectableconsiderate, courteous, kindly, mannerly, polite, thoughtfulangelic (or angelical), cherubic, divine, heavenlyamenable, docile, governable, tractableamiable, complaisant, good-natured, obliging, pleasantdiscreet, modestadult, grown-up, mature