to make easier, to get rid of, to lessen; /to alleviate pain or sorrow/ To get rid of. Eliminate is a good synonym. to remove or to reduce. as in to alleviate pressure from something to make easier to endure; lessen; mitigate: to alleviate sorrow; to alleviate pain. to make easier to endure; lessen; mitigate: to alleviate sorrow; to alleviate pain.