breed specimens of (a plant, animal, etc.) by natural processes from the parent stock.
try propagating your own houseplants from cuttings
sinonim: breed, grow, cultivate
spread and promote (an idea, theory, etc.) widely.
the French propagated the idea that the English were violent and gluttonous drunkards
sinonim: spread, disseminate, communicate, make known, promulgate, circulate, broadcast, publicize, proclaim, preach, promote, bruit abroad
(with reference to motion, light, sound, etc.) transmit or be transmitted in a particular direction or through a medium.
electromagnetic effects can be propagated at a finite velocity only through material substances