/ Thesaurus / R Synonyms of rotary motion Find synonyms for: Noun1. rotation, rotary motion, motion, movement, move, motilityusage: the act of rotating as if on an axis; "the rotation of the dancer kept time with the music"WordNet 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