EXHIBIT 23.2

               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS



   We consent to the reference to our firm under the caption "Experts" in the
Proxy Statement of IKOS Systems, Inc. that is made a part of the Registration
Statement (Amendment No. 2 to Form S-4) and Prospectus of Synopsys, Inc. for
the registration of Synopsys shares of common stock and to the incorporation by
reference therein of our report dated October 29, 2001 (except for the last six
paragraphs of Note 11, as to which the date is December 14, 2001, and the last
paragraph of Note 12, as to which the date is December 7, 2001) with respect to
the consolidated financial statements and schedule of IKOS Systems, Inc.
included in its Annual Report (Form 10-K) for the year ended September 29,
2001, filed with the Securities and Exchange Commission.


/s/ ERNST & YOUNG LLP

San Jose, California

February 4, 2002