memorialize

/məˈmɔriəˌlaɪz/
verb
  1. To preserve the memory of someone or something; to create something that helps people remember a person, event, or thing.
    • She wrote a poem to memorialize her grandmother's life and kindness.
    • The museum was created to memorialize the history of the civil rights movement.
    • The city built a statue to memorialize the soldiers who died in the war.