The crossword solution for the term 'Freshen, as a stamp pad' is 'REINK'. To reink a stamp pad means to add more ink to it, usually by pouring or dabbing the ink onto the pad. This is done when the pad has become dry and needs to be replenished with ink in order to continue functioning properly. Reinking a stamp pad is an important step in maintaining the quality of the stamp pad and ensuring that it can be used for a long time.