decorous
adjective /ˈdekərəs/
/ˈdekərəs/
(formal)- polite and appropriate in a particular social situation
synonym proper礼貌得体的;端庄稳重的 - a decorous kiss
礼貌得体的一吻
词源mid 17th cent. (in the sense ‘appropriate, seemly’): from Latin decorus ‘seemly’ + -ous. - a decorous kiss