The term 'came clean' is an idiom that means to confess or admit to something, usually after having kept it a secret. The crossword solutions for this term are 'SHOWERED', 'TOLD', 'ADMITTED', 'LEVELED', and 'fessed up'. 'SHOWERED' implies that the person was honest and open about their confession, while 'TOLD' suggests that they were direct and straightforward in their admission. 'ADMITTED' implies that the person acknowledged their wrongdoing, while 'LEVELED' suggests that they were honest and frank in their disclosure. Finally, 'fessed up' implies that the person was willing to take responsibility for their actions.