allayment (n.)
modifying agent, countermeasure, mitigation
Cym I.vi.22[Queen to Cornelius, of his drugs] I will ... apply / Allayments to their act [i.e. antidotes]
TC IV.iv.8[Cressida to Pandarus, of her affection] If I could ... brew it to a weak and colder palate, / The like allayment could I give my grief
SHAKESPEARE'S WORDS © 2018 DAVID CRYSTAL & BEN CRYSTAL