date

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The time stated in terms of the day, month, and year.
• noun A statement of calendar time, as on a document.
• noun A particular point or period of time at which something happened or existed, or is expected to happen.
• noun The years of someone's birth and death.
• noun The time during which something lasts; duration.
• noun The time or historical period to which something belongs.
• noun An appointment: synonym: engagement.
• noun An engagement to go out socially with another person, often out of romantic interest.
• noun One's companion on such an outing.
• noun An engagement for a performance.
• intransitive verb To mark or supply with a date.
• intransitive verb To determine the date of.
• intransitive verb To betray the age of.
• intransitive verb To go on a date or dates with.
• intransitive verb To have origin in a particular time in the past.
• intransitive verb To become old-fashioned.
• intransitive verb To go on dates.
• idiom (out of date) No longer in style; old-fashioned.
• idiom (to date) Until now.
• idiom (up to date) In or into accordance with current information, styles, or technology.
• noun The sweet, edible, oblong or oval fruit of the date palm, containing a narrow, hard seed.
• noun A date palm.

from The Century Dictionary.

• noun A grant; concession; gift.
• To mark with a date, as a letter or other writing. See date, n.
• To note or fix the time of, as of an event or transaction; assign a date or time of occurrence to: as, to date an event in ancient history.
• To have a date: as, the letter dates from Rome. See I.
• To have beginning; derive origin.
• To use a date in reckoning; reckon from some point in time.
• noun The fruit of the date-palm, Phœnix dactylifera, used extensively as an article of food by the natives of northern Africa and of some countries of Asia.
• noun That part of a writing or an inscription which purports to specify the time when, and usually the place where, it was executed.
• noun The time, with more or less particularity, when some event has happened or is to happen: as, the date of a battle; the dates of birth and death on a monument; the date of Easter varies from year to year, or is variable.
• noun Point or period of time in general: as, at that early date.
• noun A season or allotted period of time.
• noun Age; number of years.
• noun Duration; continuance.
• noun End; conclusion.
• noun A day-book, journal, or diary.
• noun For secret meetings, especially for an immoral purpose; make assignations.
• noun An occasional name in California of the fanleaf palm, Neowashingtonia filamentosa.

from the GNU version of the Collaborative International Dictionary of English.

• intransitive verb To have beginning; to begin; to be dated or reckoned; -- with from.
• noun That addition to a writing, inscription, coin, etc., which specifies the time (as day, month, and year) when the writing or inscription was given, or executed, or made. etc.
• noun The point of time at which a transaction or event takes place, or is appointed to take place; a given point of time; epoch.
• noun rare Assigned end; conclusion.
• noun obsolete Given or assigned length of life; dyration.
• noun to have the date named on the face of it; -- said of a writing.
• noun (Bot.) The fruit of the date palm; also, the date palm itself.
• noun (Bot.) the genus of palms which bear dates, of which common species is Phœnix dactylifera. See Illust.