allay

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To reduce the intensity of; relieve: allay back pains. See Synonyms at relieve.
2. v. To calm or pacify; set to rest: allayed the fears of the worried citizens.

Century Dictionary and Cyclopedia

1. To lay down; cause to lie; lay: as, to allay the dust.
2. To lay aside; set aside; suppress; annul.
3. To put down; humble; overthrow.
4. To put down; quiet; assuage; pacify, appease, calm, as a commotion of the elements, or, figuratively, civil commotions, mental excitement, or an agitated person.
5. To abate, mitigate, or subdue; relieve or alleviate: as, to allay misery or pain; to allay the bitterness of affliction.
6. Synonyms Alleviate, Relieve, Mitigate, Assuage, Allay (see alleviate), calm, quiet, soothe, compose, still, lull, tranquilize, check, repress, soften, ease, moderate.
7. To abate; subside; grow calm.
8. n. That which allays, lightens, or alleviates.
9. To mix, as metals; especially, to mix a nobler with a baser metal; alloy. See alloy, v., I.
10. Figuratively, to mix with something inferior; contaminate or detract from.
11. To temper; abate or weaken by mixture; dilute, as wine with water; weaken; diminish.
12. n. The act or process of alloying; an alloy.
13. n. Figuratively, admixture, especially of something inferior.
14. n. Mixture; dilution.
15. To cite; quote; allege.
16. n. In hunting, the act of laying on the hounds; the addition of fresh hounds to the cry.

Wiktionary

1. v. To make quiet or put at rest; to pacify or appease; to quell; to calm.
2. v. To alleviate; to abate; to mitigate.
3. v. To subside, become peaceful.

GNU Webster's 1913

1. v. To make quiet or put at rest; to pacify or appease; to quell; to calm
2. v. To alleviate; to abate; to mitigate.
3. v. To diminish in strength; to abate; to subside.
4. n. Alleviation; abatement; check.
5. n. Alloy.
6. v. To mix (metals); to mix with a baser metal; to alloy; to deteriorate.

WordNet 3.0

1. v. lessen the intensity of or calm
2. v. satisfy (thirst)