| rigorous(right, perfect, exact, proper, true) |
| satisfactory(adjective, good, great, excellent, sensible) |
| seamless(adjective, flawless, faultless, textbook) |
| skilled(adjective, good, great, sound, excellent) |
| skillful(adjective, good, great, sound, excellent) |
| solid(good, strong, steady, consistent, trustworthy) |
| speckless |
| spick |
| splendid(pure, flawless, faultless, textbook, superlative) |
| stone(right, perfect, exact, proper, true) |
| straight |
| straightforward |
| strict(right, perfect, exact, proper, true) |
| sublime(pure, splendid, flawless, faultless, textbook) |
| superior |
| supreme(adjective, good, great, sound, excellent) |
| sure(good, strong, solid, steady, consistent) |
| ten(adjective, perfect, pure, splendid, flawless) |
| tried-and-true(good, strong, solid, steady, consistent) |
| true(good, strong, right, exact, proper) |