/ Thesaurus / S Synonyms of standard operating procedure Find synonyms for: Noun1. standing operating procedure, standard operating procedure, SOP, standard procedure, operating procedureusage: a prescribed procedure to be followed routinely; "rote memorization has been the educator's standard operating procedure for centuries"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language