v. a.
1.
Subdue, suppress, crush, overcome, put down, overpower.
2.
Repress, restrain, check, smother, stifle, extinguish, quench, curb, bridle, lay, rein in.
3.
Quiet, calm, still, compose, lull, hush, tranquillize, pacify, allay, reduce to peace, subdue.
4.
Moderate, assuage, mitigate, allay, appease, alleviate, mollify, soften, dull, soothe, blunt, deaden.