1. To count; to enumerate; to number; also, to compute; to calculate. [ 1913 Webster ]

The priest shall reckon to him the money according to the years that remain. Lev. xxvii. 18. [ 1913 Webster ]

I reckoned above two hundred and fifty on the outside of the church. Addison. [ 1913 Webster ]

2. To count as in a number, rank, or series; to estimate by rank or quality; to place by estimation; to account; to esteem; to repute. [ 1913 Webster ]

He was reckoned among the transgressors. Luke xxii. 37. [ 1913 Webster ]

For him I reckon not in high estate. Milton. [ 1913 Webster ]

3. To charge, attribute, or adjudge to one, as having a certain quality or value. [ 1913 Webster ]

Faith was reckoned to Abraham for righteousness. Rom. iv. 9. [ 1913 Webster ]

Without her eccentricities being reckoned to her for a crime. Hawthorne. [ 1913 Webster ]

4. To conclude, as by an enumeration and balancing of chances; hence, to think; to suppose; -- followed by an objective clause; as, I reckon he won't try that again. [ Prov. Eng. & Colloq. U. S. ] [ 1913 Webster ]

Syn. -- To number; enumerate; compute; calculate; estimate; value; esteem; account; repute. See Calculate, Guess. [ 1913 Webster ]

2. To come to an accounting; to make up accounts; to settle; to examine and strike the balance of debt and credit; to adjust relations of desert or penalty. [ 1913 Webster ]

“Parfay, ” sayst thou, “sometime he reckon shall.” Chaucer. [ 1913 Webster ]

To reckon for, to answer for; to pay the account for. “If they fail in their bounden duty, they shall reckon for it one day.” Bp. Sanderson. --
To reckon on
To reckon upon, to count or depend on; to include as a factor within one's considerations. --
To reckon with, (a) to settle accounts or claims with; -- used literally or figuratively. (b) to include as a factor in one's plans or calculations; to anticipate. (c) to deal with; to handle; as, I have to reckon with raising three children as well as doing my job. [ 1913 Webster +PJC ] After a long time the lord of those servants cometh, and reckoneth with them. Matt. xxv. 19. [ 1913 Webster ] --
To reckon without one's host, to ignore in a calculation or arrangement the person whose assent is essential; hence, to reckon erroneously. [ 1913 Webster ]

Reckoners without their host must reckon twice. Camden. [ 1913 Webster ]

Even reckoning makes lasting friends, and the way to make reckonings even is to make them often. South. [ 1913 Webster ]

He quitted London, never to return till the day of a terrible and memorable reckoning had arrived. Macaulay. [ 1913 Webster ]

2. The charge or account made by a host at an inn. [ 1913 Webster ]

A coin would have a nobler use than to pay a reckoning. Addison. [ 1913 Webster ]

3. Esteem; account; estimation. [ 1913 Webster ]

You make no further reckoning of it [ beauty ] than of an outward fading benefit nature bestowed. Sir P. Sidney. [ 1913 Webster ]

4. (Navigation) (a) 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. (b) The position of a ship as determined by calculation. [ 1913 Webster ]

To be out of her reckoning, to be at a distance from the place indicated by the reckoning; -- said of a ship. --
day of reckoning the day or time when one must pay one's debts, fulfill one's obligations, or be punished for one's transgressions. [ 1913 Webster +PJC ]