Noah Webster's New International Dictionary of the English Language
1. (v. t.) To count; to enumerate; to number; also, to compute; to calculate.
2. (v. t.) 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.
3. (v. t.) To charge, attribute, or adjudge to one, as having a certain quality or value.
4. (v. t.) 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.
5. (v. i.) To make an enumeration or computation; to engage in numbering or computing.
6. (v. i.) 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.