The term 'above reproach' can be broken down into four crossword solutions: LILY (4 letters), FAULTLESS (9 letters), TSK (3 letters), and Lilyw (5 letters). LILY is a flower that symbolizes innocence and purity, which is often associated with the phrase 'above reproach'. FAULTLESS means without any flaws or errors, which is also an appropriate description of the phrase. TSK is an interjection used to express disapproval or disappointment, which could be used to describe someone who has done something wrong and is not above reproach. Finally, Lilyw is a combination of the words 'LILY' and 'WHITE', which further emphasizes the idea of purity and innocence.