Propagating

verb

1. (of animals or plants) To cause to continue or multiply by generation, or successive production
2. To cause to spread to extend; to impel or continue forward in space

   "to propagate sound or light"

3. To spread from person to person; to extend the knowledge of; to originate and spread; to carry from place to place; to disseminate
4. To multiply; to increase.
5. To generate; to produce.