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1. Intended as a commemoration
   - commemorative

1. Mark by some ceremony or observation
   - mark
    
2. Call to remembrance; keep alive the memory of someone or something, as in a ceremony
   - remember
    
3. Be or provide a memorial to a person or an event
   "This sculpture commemorates the victims of the concentration camps"
   - memorialize, memorialise [Brit], immortalize, immortalise [Brit], record

See also: commemoration

Type of: celebrate, keep, observe, remind