The crossword solutions for the term 'BILL'S PARTNER' are COO (3 letters) and HILLARY (7 letters). COO stands for Chief Operating Officer, which is a senior executive responsible for managing the day-to-day operations of a company. Hillary is likely referring to Hillary Clinton, who was the First Lady of the United States from 1993 to 2001, and the 67th United States Secretary of State from 2009 to 2013. She is also the wife of former President Bill Clinton. Therefore, it can be concluded that the answer to the crossword clue 'BILL'S PARTNER' is Hillary Clinton.