lull

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To cause to sleep or rest; soothe or calm.
2. v. To deceive into trustfulness: "that honeyed charm that he used so effectively to lull his victims” ( S.J. Perelman).
3. v. To become calm.
4. n. A relatively calm interval, as in a storm.
5. n. An interval of lessened activity: a lull in sales.

Century Dictionary and Cyclopedia

1. To quiet; compose; assuage; caress; cause to rest or subside by gentle, soothing means: as, to lull a child or a feverish patient; to lull grief, pain, or suspicion.
2. To deceive.
3. Synonyms To calm, hush, tranquilize.
4. To subside; cease; become calm: as, the wind lulls.
5. n. That which lulls; a quieting or soothing influence.
6. n. Temporary quiet and rest; suspension of activity or turmoil, as in a storm or any kind of excessive action.

Wiktionary

1. n. A period of rest or soothing
2. n. nautical a period without waves or wind.
3. n. surfing An extended pause between sets of waves.
4. v. transitive To cause to rest by soothing influences; to compose; to calm; to soothe; to quiet.
5. v. intransitive, nautical of the surface of the sea, to not move due to a lack of wind and waves.

GNU Webster's 1913

1. v. To cause to rest by soothing influences; to compose; to calm; to soothe; to quiet.
2. v. To become gradually calm; to subside; to cease or abate for a time.
3. n. rare The power or quality of soothing; that which soothes; a lullaby.
4. n. A temporary cessation of storm or confusion.

WordNet 3.0

1. v. make calm or still
2. n. a pause during which things are calm or activities are diminished
3. n. a period of calm weather
4. v. calm by deception
5. v. become quiet or less intensive