If someone is called up, they are ordered to join the army, navy, or air force. Youngsters coming up to university were being called up The United States has called up some 150,000 military reservists. = draft
recall knowledge from memory; have a recollection; "I can't remember saying any such thing"; "I can't think what her last name was"; "can you remember her phone number?"; "Do you remember that he once loved you?"; "call up memories"