1 Often, reckon up. calculate, compute, add (up), figure (up), tally (up), sum up, total (up), work out or up:
If you reckon up the bill, I'll pay it at once.
2 include, count, number, enumerate, list, name, consider, account, judge, deem, look upon, regard, view, think of, hold, gauge, estimate, appraise, value, rank, rate, class:
I have always reckoned Arthur as being among my closest friends.
3 suppose, think, assume, presume, dare say, venture, imagine, fancy, consider, conclude, be of the opinion, US or colloq guess:
She reckoned that no one could accuse her of idle chatter.
4 reckon on or upon. count on, rely on, depend on, lean on, trust in, take for granted, Colloq bank on:
I was reckoning on your help, and I hope you won't disappoint me
5 reckon with.
(a) settle (accounts) with, take care of, look after, see or attend to, deal with, handle, pay attention to, think about:
I have to go now, but I'll reckon with you later.
(b) take into account or consideration, consider, contemplate, account for, remember, bear in mind:
He thought he had got away with it, but he failed to reckon with Inspector Harris of the CID.