reckoning /ˈɹɛkənɪŋ/noun 7forms 1phrases 1 noun7 •The action of calculating or estimating something.By that reckoning, it would take six weeks to go five miles. •The settlement of accounts, as between parties. •The working out of consequences or retribution for one's actions. •An opinion or judgement. •A summing up or appraisal.The research presented in this paper is the most comprehensive and up-to-date reckoning of an expanding set of portmanteau terms based on the word English. — 2018 •(no longer used) The bill (UK) or check (US), especially at an inn or tavern. •(no longer used) Rank or status. formsreckonings Phrases with reckoning Dutch reckoningA false or incorrect reckoning of position.