Choose the appropriate word which can be substituted for the given sentence: 'Code of diplomatic etiquette and precedence'.

Choose the appropriate word which can be substituted for the given sentence: 'Present opposing arguments or evidence'.

Choose the appropriate word which can be substituted for the given sentence: 'The points to be discussed at a meeting'.

Choose the appropriate word which can be substituted for the given sentence: 'When someone runs away secretly with his or her lover'.

Choose the appropriate word which can be substituted for the given sentence: "To issue a thunderous verbal attack".

Choose the appropriate word which can be substituted for the given sentence: $A$ person who has good knowledge of matters of taste such as fine arts,cuisines,music,etc.