/ Thesaurus / S Synonyms of suckling reflex Find synonyms for: Noun1. suckling reflex, reflex, reflex response, reflex action, instinctive reflex, innate reflex, inborn reflex, unconditioned reflex, physiological reactionusage: reflex behavior in newborn mammals; includes finding and grasping the nipple in the mouth and sucking on it and swallowing the milkWordNet 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