1. 
2. 
[syn: act, play, act as]
WordNet (r) 3.0 (2006):
act as
    v 1: function as or act like; "This heap of stones will act as a
         barrier"
    2: pretend to have certain qualities or state of mind; "He acted
       the idiot"; "She plays deaf when the news are bad" [syn:
       act, play, act as]
Moby Thesaurus II by Grady Ward, 1.0:
27 Moby Thesaurus words for "act as":
   act, act a part, act out, ape, copy, do, do duty, enact, function,
   function as, impersonate, masquerade as, mime, mimic, officiate,
   pantomime, pass for, perform, perform as, personate, play,
   play a part, pose as, pretend to be, serve, take off, work as