ALLEVIATE Meaning of ALLEVIATE in English v. a. Lighten, mitigate, assuage, moderate, soothe, soften, mollify, quiet, still, quell, abate, lessen, diminish, relieve, palliate, ease, dull, blunt. See allay . Soule. Dictionary of English synonyms. Словарь английских синонимов. 2012