Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun wellspring

2 senses of wellspring

Sense 1
wellhead, wellspring -- (the source of water for a well)
       => beginning, origin, root, rootage, source -- (the place where something begins, where it springs into being; "the Italian beginning of the Renaissance"; "Jupiter was the origin of the radiation"; "Pittsburgh is the source of the Ohio River"; "communism's Russian root")

Sense 2
well, wellspring, fountainhead -- (an abundant source; "she was a well of information")
       => source -- (a document (or organization) from which information is obtained; "the reporter had two sources for the story")