/ Thesaurus / R Synonyms of ready reckoner Find synonyms for: Noun1. reckoner, ready reckoner, handbook, enchiridion, vade mecumusage: a handbook of tables used to facilitate computationWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language