The definition of commemorate means to have a ceremony or build a monument to honor a person or an event.(verb)
See commemorate in Webster's New World College Dictionary
See commemorate in American Heritage Dictionary 4
transitive verb com·mem·o·rat·ed, com·mem·o·rat·ing, com·mem·o·rates
Origin: Latin commemorāre, commemorāt-, to remind
Origin: : com-, intensive pref.; see com-
Origin: + memorāre, to remind (from memor, mindful; see (s)mer-1 in Indo-European roots).
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