Entry 2 senses · 2 variants Webster, 1913 Commemorative /kəm-ĕm'-rət-ĭv/ · Com·mem·o·ra·tive · IPA /kəmˈɛmrətɪv/ a. n. 01 a. Tending or intended to commemorate; as, a commemorative plaque. 1. Tending or intended to commemorate; as, a commemorative plaque. “An inscription commemorative of his victory.” — Sir G. C. Lewis. 02 n. something that commemorates, especially a postage stamp or coin having a design commemorating some event, person, institution, etc. 1. something that commemorates, especially a postage stamp or coin having a design commemorating some event, person, institution, etc.