noun. A spring that is the source or head of a stream.

noun. A chief and copious source; an originator.

noun. A fountain or spring from which a stream of water flows; the head or source of a stream; hence, primary source in general; original.

noun. an abundant source.

noun. the source of water from which a stream arises.

noun. a spring that is the source of a river

noun. an abundant source of knowledge, etc.

noun. an abundant source

noun. the source of water from which a stream arises

"Since that day, more than forty years ago, Greenspan has become the figurehead (not the "fountainhead" - figurehead) for a new form of "establishment radicalism," a white-collar extremism which that has hijacked American economic policy for the last thirty years."

beginning  origin  root  rootage  source  

bestower  bestowment  bowlful  fount  icecap  

font  fount  fountain  head  headspring