What is the meaning of Reckon?

To count; to enumerate; to number; also, to compute; to calculate.

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.

To charge, attribute, or adjudge to one, as having a certain quality or value.

To conclude, as by an enumeration and balancing of chances; hence, to think; to suppose; -- followed by an objective clause

To reckon with something or somebody or not, i.e to reckon without something or somebody: to take into account, deal with, consider or not, i.e. to misjudge, ignore, not take into account, not deal with, not consider or fail to consider; e.g. reckon without one's host

To make an enumeration or computation; to engage in numbering or computing.

To come to an accounting; to draw up or settle accounts; to examine and strike the balance of debt and credit; to adjust relations of desert or penalty.

An impression or opinion.

Alternative form of rackan (chain)

Source: wiktionary.org