Perpetuate

"Perpetuate" means to make something continue indefinitely or to preserve it from being forgotten or stopped.

Synonyms: Preserve, Sustain, Maintain, Prolong, Continue

Examples
1. The monument was built to perpetuate the memory of the war heroes.
2. Spreading false information can perpetuate harmful stereotypes.
3. By supporting local artists, the community hopes to perpetuate its cultural heritage.