mitigator

noun 0.875

mitigation

noun 0.805

mitigating circumstance

noun 0.702

ameliorative

noun 0.569

mediator

noun 0.569

mitis

noun 0.567

suppressant

noun 0.555

retardant

noun 0.553

dampener

noun 0.548

countermeasure

noun 0.546

moderate

noun 0.546

moderator

noun 0.533

palliative

noun 0.531

preventer

noun 0.531

diluent

noun 0.530

decontaminant

noun 0.530

neutralizer

noun 0.529

adjuvant

noun 0.528

mutagen

noun 0.525

suppressor

noun 0.524

mild

noun 0.520

minorant

noun 0.516

compensator

noun 0.515

reducer

noun 0.515

maskant

noun 0.514

insulant

noun 0.510

mitt

noun 0.510

abating

noun 0.508

modifier

noun 0.505

meditator

noun 0.505

antimitotic

noun 0.505

reducing agent

noun 0.505

mite

noun 0.504

oxidant

noun 0.504

abatement

noun 0.504

inhibitor

noun 0.503

demulcent

noun 0.502

reliever

noun 0.501