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                                                                    EXHIBIT 23.1
                    CONSENT OF KPMG LLP, INDEPENDENT AUDITORS

The Board of Directors
Synopsys, Inc.

     We consent to incorporation herein of our reports dated November 17,
2000, except as to Note 10, which is as of January 4, 2001, relating to the
consolidated balance sheets of Synopsys, Inc. and subsidiaries as of October 31,
2000 and 1999, and September 30, 1999, and the related consolidated statements
of operations, stockholders' equity and comprehensive income (loss) and cash
flows for the year ended October 31, 2000, the one-month period ended October
31, 1999, and each of the years in the two-year period ended September 30, 1999,
and the related consolidated financial statement schedule, which reports appear
in the October 31, 2000, annual report on Form 10-K of Synopsys, Inc.


KPMG LLP

Mountain View, California
June 14, 2001