Happening or arising without apparent external cause(adjective)
WordNet. Princeton University. 2010.
Use "self-generated" in a sentence
"Salzberg hails her discovery of meditation in college as the key to unlocking that self-generated sense of happiness, something that helped her overcome a painful childhood filled with trauma and instability."
"The New York Jets received plenty of preseason attention, some of it self-generated, but the buzz abated somewhat when they lost their opener to the Baltimore Ravens."
"Thomas L. Friedman wrote, "The Tea Party that has gotten all the attention, the amorphous, self-generated protest against the growth in government and the deficit, is what I'd actually call the" Tea Kettle movement "because all it's doing is letting off steam.""