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-1 in the Appendix of Indo-European roots).]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.