/ Thesaurus / S Synonyms of septation Find synonyms for: Noun1. septation, division, partition, partitioning, segmentation, sectionalization, sectionalisationusage: the division or partitioning of a cavity into parts by a septumWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language