The term 'GOT TO THE BOTTOM OF' can be summarized by three crossword solutions: MINED (5 letters), SOLVED (6 letters), and UNRAVELED (9 letters). To 'MINE' something is to search for information or resources, while to 'SOLVE' something is to find a solution to a problem. To 'UNRAVEL' something is to untangle a complex situation or mystery. All three of these words imply that the person is trying to get to the bottom of a situation, meaning they are trying to uncover the truth or find a solution.