v. Simple past tense and past participle of simulate.
adj. made to imitate something else; artificial
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. not genuine or real; being an imitation of the genuine article
adj. reproduced or made to resemble; imitative in character
Word Usage
"On platforms other than Windows, InnoDB internally arranged its I/O calls as if they were asynchronous (leading to the term simulated asynchronous I/O), but behind the scenes the query thread really would block until the request finished."