Alleviation; abatement; check.

(obsolete) An alloy.

(transitive) To make quiet or put at rest; to pacify or appease; to quell; to calm.

(transitive) To alleviate; to abate; to mitigate.

(intransitive, obsolete) To subside, abate, become peaceful.

(archaic) To mix (metals); to mix with a baser metal; to alloy; to deteriorate.

(archaic, by extension) To make worse by the introduction of inferior elements.