The Collaborative International Dictionary of English v.0.48:
Reckon \Reck"on\ (r[e^]k"'n), v. t. [imp. & p. p. Reckoned
(r[e^]k"'nd); p. pr. & vb. n. Reckoning.] [OE. rekenen, AS.
gerecenian to explain; akin to D. rekenen to reckon, G.
rechnen, OHG. rehhan[=o]n (cf. Goth. rahnjan), and to E.
reck, rake an implement; the original sense probably being,
to bring together, count together. See Reck, v. t.]
1. To count; to enumerate; to number; also, to compute; to
The priest shall reckon to him the money according
to the years that remain. --Lev. xxvii.
I reckoned above two hundred and fifty on the
outside of the church. --Addison.
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.
He was reckoned among the transgressors. --Luke
For him I reckon not in high estate. --Milton.
3. To charge, attribute, or adjudge to one, as having a
certain quality or value.
Faith was reckoned to Abraham for righteousness.
--Rom. iv. 9.
Without her eccentricities being reckoned to her for
a crime. --Hawthorne.
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.]
Syn: To number; enumerate; compute; calculate; estimate;
value; esteem; account; repute. See Calculate,