English definition of “propagate”
/ˈprɒpəgeɪt/ verb formal
PRODUCE [I, T] › If you propagate plants, you help them to produce new plants, and if plants propagate, they produce new plants: Plants are propagated from small cuttings.
TELL [T] › to tell your ideas or opinions to a lot of people in order to make them agree with what you are saying: to propagate lies/rumours propagation
/ˌprɒpəˈgeɪʃən/ noun [U] formal