| unprecedented(adjective, extraordinary, unusual, new, fresh) |
| productive(adjective, new, fresh, fantastic, extravagant) |
| elementary(adjective, characteristic, simple, plain, important) |
| naive(adjective, simple, innocent, green, gullible) |
| nonconformist(noun, adjective, person, character, unusual) |
| originative(adjective, new, fresh, fantastic, extravagant) |
| primal(adjective, beginning, primary, primeval) |
| seminal(adjective, cause, new, significant, fresh) |
| earliest(adjective, start, clean, perfect, beginning) |
| forerunner(noun, standard, pattern, example, sample) |
| germinal(adjective, cause, beginning, opening, primary) |
| innovational(adjective, new, fresh, novel, advanced) |
| introductory(adjective, simple, plain, head, beginning) |
| paragon(noun, adjective, part, case, model) |
| radical(noun, adjective, cause, important, new) |
| real(adjective, material, pure, true, natural) |
| rudimental(adjective, informal, first, previous, elementary) |
| standard(noun, adjective, part, fake, measure) |
| strange(adjective, separate, simple, extraordinary, unusual) |
| uncommon(adjective, characteristic, separate, cool, simple) |