Reck″on, v. i. 1. To make an enumeration or computation; to engage in numbering or computing. Shak.
2. 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.
“Parfay,” sayst thou, “sometime he reckon shall.” Chaucer.
To reckon for, to answer for; to pay the account for. “If they fail in their bounden duty, they shall reckon for it one day.” Bp. Sanderson. — To reckon onorupon, to count or depend on. — To reckon with, to settle accounts or claims with; — used literally or figuratively.
After a long time the lord of those servants cometh, and reckoneth with them. Matt. xxv. 19.
— To reckon without one's host, to ignore in a calculation or arrangement the person whose assent is essential; hence, to reckon erroneously.