okey-doke (???k??d??k) or okey-dokeysentence substitute, adj, advinformal another term for O.K.Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014OK Oklahoma. OK o?kay (?o??ke?, ?o??ke?, ?o??ke?) adj., adv., n., pl. OKs or OK’s or O.K.’s or o?kays, adj. 1. all right; satisfactory: Is everything OK? 2. correct, permissible, or acceptable. 3. feeling well. 4. safe; sound. 5. adequate but unremarkable. 6. estimable, likable, or dependable. adv. 7. all right; well enough; successfully; fine: He sings OK. 8. (used to request or express agreement, acknowledgment, approval, etc.) n. 9. an approval, agreement, or endorsement. v.t. 10. to endorse or indicate approval of; authorize. [initials of a facetious folk phonetic spelling, e.g., oll or orl korrect representing all correct, first attested in Boston in 1839, then used in 1840 by Democrat partisans of Martin Van Buren, who allegedly named their organization, the O.K. Club, in allusion to the initials of Old Kinderhook, Van Buren’s nickname, derived from his birthplace, Kinderhook, New York] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.