| cornucopia |
| bonanza(noun, pit, excavation, coalfield, coalmine) |
| cradle(noun, cause, beginning, foundation, basis) |
| fund(noun, store, supply, reserve, deposit) |
| gold mine(noun, expression, pit, excavation, coalfield) |
| head |
| mainspring(cause, source, spring, stream, derivation) |
| parent(noun, person, cause, influence, source) |
| resource |
| rise(noun, cause, start, beginning, foundation) |
| starting point(expression, cause, foundation, basis, origin) |
| whence(source, upwelling) |
| ancestor(person, cause, influence, source, derivation) |
| ancestry(cause, influence, source, root, origin) |
| antecedent(noun, cause, influence, base, beginning) |
| author(person, cause, source, foundation, basis) |
| birthplace(noun, cause, authority, beginning, expert) |
| cause(noun, person, influence, authority, beginning) |
| commencement(noun, cause, start, beginning, foundation) |
| creator(person, cause, source, spring, derivation) |