The term 'appointed to a post or duty' can be summarized by three crossword solutions: ASSIGN (6 letters), ASSIGNED (8 letters), and NAMED (5 letters). To be appointed to a post or duty means to be officially given a job or responsibility. The verb 'ASSIGN' is used to describe the act of assigning someone to a task, while the verb 'NAME' is used to describe the act of officially giving someone a title or position. The verb 'ASSIGNED' is the past tense of 'ASSIGN' and is used to describe when someone has already been given a job or responsibility.