|—vb (foll by with)|
|1.||to calculate or ascertain by calculating; compute|
|2.||(tr) to include; count as part of a set or class: I reckon her with the angels|
|3.||(usually passive) to consider or regard: he is reckoned clever|
|5.||to settle accounts (with)|
|8.||slang (tr) to regard as good: I don't reckon your chances of success|
|9.||informal (tr) to have a high opinion of: she was sensitive to bad reviews, even from people she did not reckon|
|10.||to be reckoned with of considerable importance or influence|
|[Old English (ge)recenian recount; related to Old Frisian rekenia, Old High German rehhanón to count]|
Take into account, be prepared for, as in The third-party movement is a force to be reckoned with during the primaries. This usage was first recorded in 1885.
Deal with, as in Your lost wallet isn't the only problem we have to reckon with. Also see take into account.