commemorate

/kə-ˈme-mə-ˌrāt/

Latin commemoratus, past participle of commemorare, from com- + memorare to remind of, from memor mindful

verb

  1. to call to remembrance

  2. to mark by some ceremony or observation : observe

  3. to serve as a memorial of

St. Andrew is commemorated on November 30.

keep observe celebrate commemorate mean to notice or honor a day, occasion, or deed. keep stresses the idea of not neglecting or violating. observe suggests marking the occasion by ceremonious performance.