To soften, in a figurative sense; allay; mitigate, ease, or lessen, as pain or grief; moderate; appease or pacify, as passion or tumult.Synonyms Alleviate, Relieve, Mitigate, etc. (see alleviate); to appease, mollify, temper (see lists under alleviate and allay).To abate or subside; grow less: as, “let thin hert assuage,” Gower; “the waters asswaged,”