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tr.v. com·mem·o·rat·ed, com·mem·o·rat·ing, com·mem·o·rates
1. To honor the memory of (a person or event, for example), especially with a ceremony. See Synonyms at observe.
2. To serve as a memorial to: The statue commemorates the discovery of anesthesia.
[Latin commemorāre, commemorāt-, to remind : com-, intensive pref.; see com- + memorāre, to remind (from memor, mindful; see (s)mer- in Indo-European roots).]