memorialize

• memorialise (non-Oxford British English)

memorial +‎ -ize

memorialize (third-person singular simple present memorializes, present participle memorializing, simple past and past participle memorialized) (American spelling, Oxford British English)

1. (US) To provide a memorial for someone; to commemorate.
   • 2021 November 28, Jon Henley, “Dancer, singer … spy: France’s Panthéon to honour Josephine Baker”, in The Guardian‎:

     President Emmanuel Macron decided this summer that 46 years after her death, Baker would become only the sixth woman to be memorialised in the Panthéon in a ceremony on 30 November – the anniversary of the marriage to Jean Lion that allowed her to acquire French nationality.

2. (transitive, social media) To convert (someone’s profile) into a memorial site/page (e.g. on Facebook).
   • 2015 May 20, J. D. Biersdorfer, “Unlike You, Your Facebook Account Can Be Immortal”, in The New York Times‎, →ISSN:

     Facebook says people with memorialized accounts do not appear in advertisements or birthday reminders on the site and are also excluded from the People You May Know list of friend suggestions.

3. (law) To create a written record of a meeting or conversation.
4. (transitive, dated) To petition with a memorial, or statement of facts.
   • 1855 December – 1857 June, Charles Dickens, Little Dorrit, London: Bradbury and Evans, […], published 1857, →OCLC:

     Why, you'll—you'll ask till they tell you. Then you'll memorialize that Department (according to regular forms which you'll find out) for leave to memorialize this Department.

• memorialization
• memorializer