(verb) To make clear, explain, interpret.
"When a stupid man is doing something he is ashamed of, he always declares that it is his duty."
"I have nothing to declare except my genius."
"Experience declares that man is the only animal which devours his own kind; for I can apply no milder term to the governments of Europe, and to the general prey of the rich on the poor."
"The chief duty of the National Government in connection with the currency of the country is to coin money and declare its value."