/ Thesaurus / A Synonyms of act as Find synonyms for: Verb1. act as, serve, functionusage: function as or act like; "This heap of stones will act as a barrier"2. act, play, act as, act, behave, dousage: pretend to have certain qualities or state of mind; "He acted the idiot"; "She plays deaf when the news are bad"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language