de–escalate

1 to make smaller in amount, volume, or extent first, the mediator tried to de-escalate the tension in the room Synonyms abate, de-escalate, dent, deplete, diminish, downscale, downsize, drop, dwindle, ease, knock down, lessen, lower, reduceRelated Words compress, condense, constrict, contract; abbreviate, abridge, clip, crop, curtail, cut, cut back, cut down, dock, nick, pare, prune, retrench, shorten, slash, trim, truncate, whittle; deflate, shrink; minimize; moderate, modify, modulate, qualifyNear Antonyms blow up, dilate, distend, inflate, swell; elongate, extend, lengthen, prolong, protract; add (to), complement, supplement; enhance, heighten, intensify; redoubleAntonyms aggrandize, amplify, augment, boost, enlarge, escalate, expand, increase, raise

2 to grow less in scope or intensity especially gradually the fighting de-escalated as the peace talks progressed Synonyms abate, decline, de-escalate, die (away or down or out), diminish, drain (away), drop (off), dwindle, ease, ebb, fall, fall away, lessen, let up, lower, moderate, pall, phase down, ratchet (down) also rachet (down), recede, relent, remit, shrink, subside, taper, taper off, waneRelated Words compress, condense, constrict, contract; evaporate, fade (away), fritter (away), give out, melt (away), peter (out), tail (off), vanish; slacken, slow (down); alleviate, relax; flag, sink, weaken; cave (in), collapse, deflateNear Antonyms appear, emerge, show up; blow up, distend, elongate, lengthenAntonyms accumulate, balloon, build, burgeon (also bourgeon), enlarge, escalate, expand, grow, increase, intensify, mount, mushroom, pick up, rise, snowball, soar, swell, wax