decorum: suggests conduct that is in accordance with good taste or with a code of rules governing behavior under certain conditions: had failed to exhibit the ~ expected of an army officer.  



decency: implies behavior consistent with normal self-respect or humane feeling for others, or with what is fitting to a particular profession or condition in life: maintained a strict ~ in dress.  



propriety: suggests an artificial standard of what is correct in conduct or speech: regarded the ~ expected of a social matron as stifling.  



dignity: implies reserve or restraint in conduct prompted less by obedience to a code than by a sense of personal integrity or status: conveyed a quiet ~ and sincerity that won him respect.  



etiquette: is the usual term for the detailed rules governing manners and conduct and for the observance of these rules: the ~ peculiar to the U.S. Senate.



decorum得体: 符合品味规则，泛指通用，decency: 体面，指自尊合乎人情、符合职业身份，propriety人造标准，dignity自制矜持源自高贵品格身份，etiquette言行举止方面的规则，术语

记忆方法: 1）首字母记忆DDDPE, PE(physical education)是体育培养人的体魄体态，三个D想成得得得<==很得体育


         2）得体的意思是符合行为规范mean observance of the rules governing proper conduct.