galling

deny, disallow, disapprove, negative, nix, refuse, reject, reprobate, withhold

ban, enjoin, forbid, prohibit, proscribe, veto

rebuff, repel, spurn

check, constrain, curb, hold, keep, repress, restrain, restrict

balk (at), hinder, impede, obstruct

afford, furnish, give, provide, supply

authorize, commission, license (also licence)

accede (to), acquiesce, agree (to), assent (to), consent (to), warrant

accord, sanction, vouchsafe

allow, concede, grant, let, OK (or okay), permit

crash, crater, descend, dip, dive, drop, fall, lower, nose-dive, plummet, plunge, sink, skid, tumble

abate, decrease, de-escalate, die (down), diminish, droop, dwindle, ebb, lessen, let up, moderate, subside, taper off, wane

recede, retreat

accumulate, balloon, build, burgeon (also bourgeon), enlarge, escalate, expand, grow, increase, intensify, mushroom, pick up, snowball, swell, wax

arise, ascend, lift, mount, rise, soar, spike, up

atrophy, crumble, decay, degenerate, descend, deteriorate, devolve, ebb, regress, retrograde, rot, sink, worsen

abate, de-escalate, diminish, downsize, dwindle, recede, wane

break down, corrupt, decompose, degrade, dilapidate, disintegrate, molder, putrefy

sour, spoil

lessen, lower, reduce

debilitate, undermine

droop, fail, fall, flag, lag, languish, run down, sag, slip, waste (away), weaken, wilt

go to pot, go to seed (or run ​to ​seed)

better, upgrade

enhance, enrich, fortify, heighten, intensify, strengthen

advance, develop, march, proceed, progress

ameliorate, improve, meliorate

abate, de-escalate, decrease, 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, wane

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, deflate

appear, emerge, show up

blow up, distend, elongate, lengthen

accumulate, balloon, build, burgeon (also bourgeon), enlarge, escalate, expand, grow, increase, intensify, mount, mushroom, pick up, rise, snowball, soar, swell, wax

descend, dip, drop, fall, plunge, sink

angle, cant, cock, heel, incline, lean, list, recline, slant, slope, tilt, tip

even, flatten, level, plane, smooth, straighten

arise, ascend, climbkup/reject'>reject, reprobate, repudiate, spurn, throw out, throw over, turn down

blow off, disdain, rebuff, scorn, scout, shoot down

overrule, veto

forbid, prohibit, proscribe

dismiss, ignore

abstain (from), forbear, refrain (from)

deny, disavow, disclaim, dispute, gainsay

abjure, forswear (also foreswear), recant, renounce, retract, take back, unsay, withdraw

avoid, bypass, detour

contradict, disown, negate

controvert, disagree (with), disprove, rebut, refute

back down, back off, backtrack

disallow, recall, renege, revoke

condone, countenance, swallow, tolerate

adopt, embrace, receive, take, welcome

accede, acquiesce, agree, assent, consent

choose, handpick, select

espouse, support

accept, agree (to), approve

deny, disallow, disapprove, negative, nix, refuse, reject, reprobate, withhold

ban, enjoin, forbid, prohibit, proscribe, veto

rebuff, repel, spurn

check, constrain, curb, hold, keep, repress, restrain, restrict

balk (at), hinder, impede, obstruct

afford, furnish, give, provide, supply

authorize, commission, license (also licence)

accede (to), acquiesce, agree (to), assent (to), consent (to), warrant

accord, sanction, vouchsafe

allow, concede, grant, let, OK (or okay), permit

crash, crater, descend, dip, dive, drop, fall, lower, nose-dive, plummet, plunge, sink, skid, tumble

abate, decrease, de-escalate, die (down), diminish, droop, dwindle, ebb, lessen, let up, moderate, subside, taper off, wane

recede, retreat

accumulate, balloon, build, burgeon (also bourgeon), enlarge, escalate, expand, grow, increase, intensify, mushroom, pick up, snowball, swell, wax

arise, ascend, lift, mount, rise, soar, spike, up

atrophy, crumble, decay, degenerate, descend, deteriorate, devolve, ebb, regress, retrograde, rot, sink, worsen

abate, de-escalate, diminish, downsize, dwindle, recede, wane

break down, corrupt, decompose, degrade, dilapidate, disintegrate, molder, putrefy

sour, spoil

lessen, lower, reduce

debilitate, undermine

droop, fail, fall, flag, lag, languish, run down, sag, slip, waste (away), weaken, wilt

go to pot, go to seed (or run ​to ​seed)

better, upgrade

enhance, enrich, fortify, heighten, intensify, strengthen

advance, develop, march, proceed, progress

ameliorate, improve, meliorate

abate, de-escalate, decrease, 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, wane

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, deflate

appear, emerge, show up

blow up, distend, elongate, lengthen

accumulate, balloon, build, burgeon (also bourgeon), enlarge, escalate, expand, grow, increase, intensify, mount, mushroom, pick up, rise, snowball, soar, swell, wax

descend, dip, drop, fall, plunge, sink

angle, cant, cock, heel, incline, lean, list, recline, slant, slope, tilt, tip

even, flatten, level, plane, smooth, straighten

arise, ascend, climb