The term 'Lady of Lisbon' is a title given to the patron saint of Lisbon, Dona Santa Isabel. She was a Portuguese princess who lived in the 13th century and is known for her charitable works. The two crossword solutions for this term are 'Dona' (4 letters) and 'SENHORA' (7 letters). Dona is a Portuguese title of respect used for a woman of high social rank, while SENHORA is a Portuguese word for lady or madam.