|Noah Webster's Dictionary|
1. (n.) The act of commemorating; an observance or celebration designed to honor the memory of some person or event.
2. (n.) Whatever serves the purpose of commemorating; a memorial.
Commemoration (1 Occurrence)
Esther 9:28 and that these days should be remembered and kept throughout every generation, every family, every province, and every city; and that these days of Purim should not fail from among the Jews, nor the memory of them perish from their seed. (See RSV)