1. alleviate Allay and alleviate are closely kindred in signification, and have been often interchanged in usage. But, in strictness, to allay is to lay to rest, quiet or soothe that which is excited; t Synonyms: allay, alleviate, compose, quiet, still, appease, mollify, soothe, tranquilize, calm, pacify Antonyms: agitate, excite, kindle, rouse, stir up, arouse, fan, provoke, stir