| bygone(noun, adjective, old, past, foretime) |
| dad(noun, person, individual, ancestor, ascendant) |
| determinant(noun, feature, cause, influence, reason) |
| father(noun, cause, foundation, basis, kin) |
| grounds(noun, cause, reason, object, element) |
| heretofore(noun, old, past, foretime) |
| initiatory(adjective, beginning, opening, original, first) |
| introduction(noun, cause, source, derivation, prelude) |
| originator(noun, cause, sign, reason, authority) |
| parent(noun, cause, foundation, kin, relative) |
| prelude(noun, prelude) |
| principle(noun, support, action, cause, reason) |
| scout(noun, precursor) |
| trailblazer(noun, precursor) |
| above |
| abovementioned(precedence, priority) |
| agency(noun, feature, influence, point, reason) |
| ahead(adjective, adverb, head, beginning, opening) |
| ancestry(noun, cause, source, history, origin) |
| antecede |