preserve or keep something so that it is protected and respected
enshrine - preserve
To ‘enshrine’ is to ensure that something, such as a right, tradition, or memory, is kept in a way that it is remembered and secure. This formal word implies that you are placing a shrine around it, or, in other words, giving it a revered space as if it was a holy relic. Can be used literally or figuratively, though is more common in the latter form.
The right to keep and bear arms is enshrined in the American Constitution, preserving it in law for future generations.
I wanted to enshrine that artist’s latest work, so I had a special frame made for it and gave it pride of place in the gallery.
Even though Diana is now dead, she will forever be enshrined in the memories of all who loved and knew her.