abate

abolish abrogate allay annihilate annul annuls attenuate bate comfort contract cool deaden decline decrease depreciate die died dies diminish diminishes discount drain drain dwindle ease ebb ebbed eradicate eradicating extinguish extirpate fade fall flag flagged flags invalidate invalidated invalidates lessen let up letting up lower lull lulled mitigate moderate modify mollify negate negates nullify palliate peter peter out qualify recede receded recedes reduce relax relaxes relieve relieves remediate remit remitted reprieve retrocede sank sink slack/slacken slacked slacken slackens slackens slake slow soften subside subsides taper taper/taper off tapered off tapering off tapers tapers tapers off temper undo untighten uproot vitiate wane waned wanes weaken wipe out wiped out