reckoning

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. The act of counting or computing.
2. n. An itemized bill or statement of a sum due.
3. n. A settlement of accounts: a day of reckoning.
4. n. The act or process of calculating the position of a ship or an aircraft.
5. n. The position so calculated.

Century Dictionary and Cyclopedia

1. n. The act of counting or computing; hence, an account or calculation; an adjustment of accounts.
2. n. A bill of charges, especially in a hotel, tavern, inn, or other place of entertainment; an itemized statement of what is due; a score.
3. n. An account of time.
4. n. The estimated time of a cow's calving.
5. n. A summing up in general; a counting of cost or expenditure; a comparison of items or particulars in any matter of accountability.
6. n. An accounting for action or conduct; explanation; inquisition; scrutiny.
7. n. A holding in estimation; assignment of value; appreciation.
8. n. Standing as to rank, quality, or worthiness; rating; consideration; reputation.
9. n. Nautical, the calculation of the position of a ship from the rate as determined by the log, and the course as determined by the compass, the place from which the vessel started being known. See dead-reckoning.

Wiktionary

1. v. present participle of reckon.
2. n. The action of calculating or estimating something.
3. n. archaic The bill (UK) or check (US), especially at an inn or tavern.
4. n. An opinion or judgement.
5. n. The working out of consequences or retribution for one's actions.

GNU Webster's 1913

1. n. The act of one who reckons, counts, or computes; the result of reckoning or counting; calculation.
2. n. An account of time.
3. n. Adjustment of claims and accounts; settlement of obligations, liabilities, etc.
4. n. The charge or account made by a host at an inn.
5. n. Esteem; account; estimation.
6. n. The calculation of a ship's position, either from astronomical observations, or from the record of the courses steered and distances sailed as shown by compass and log, -- in the latter case called dead reckoning (see under Dead); -- also used for dead reckoning in contradistinction to observation.
7. n. The position of a ship as determined by calculation.

WordNet 3.0

1. n. problem solving that involves numbers or quantities
2. n. a bill for an amount due
3. n. the act of counting; reciting numbers in ascending order