| commencement(noun, cause, start, rise, top) |
| parent(noun, person, cause, start, point) |
| seed(noun, cause, supply, beginning, stone) |
| base(noun, support, regulation, action, part) |
| germ(noun, cause, start, base, beginning) |
| origination(noun, cause, start, top, point) |
| originator(noun, person, cause, point, reason) |
| reference(noun, person, matter, suggestion, mention) |
| well-spring |
| wellspring(noun, person, cause, start, point) |
| antecedent(noun, support, action, cause, point) |
| authority(noun, support, action, person, cause) |
| determinant(noun, cause, point, reason, base) |
| expert(noun, person, cause, point, beginning) |
| foundation(noun, law, regulation, cause, start) |
| informant(noun, cause, point, beginning, sneak) |
| outset(noun, cause, start, rise, top) |
| provenience(noun, cause, start, point, beginning) |
| ancestry(noun, place, cause, position, root) |
| onset(noun, cause, start, rise, top) |