propagate
/ˈpɹɒpəˌɡeɪt/verb
To make plants or animals reproduce and multiply; to spread something more widely.
Example sentences
- “Gardeners often propagate roses from cuttings.”
- “The rumor propagated quickly through the office.”
Gardeners propagate plants from cuttings, and in physics waves propagate through a medium. Formal when applied to spreading ideas.